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World's First 'Negative Emissions' Plant Has Begun Operation (qz.com)

In an effort to reduce the 40 trillion kg of carbon dioxide humans produce each year, three companies have been working to build machines that can capture the gas directly from the air. One such machine in Iceland has begun operation. Quartz reports: Climeworks just proved the cynics wrong. On Oct. 11, at a geothermal power plant in Iceland, the startup inaugurated the first system that does direct air capture and verifiably achieves negative carbon emissions. Although it's still at pilot scale -- capturing only 50 metric tons CO2 from the air each year, about the same emitted by a single U.S. household -- it's the first system to take CO2 in the air and convert the emissions into stone, thus ensuring they don't escape back into the atmosphere for the next millions of years. Climeworks and Global Thermostat have piloted systems in which they coat plastics and ceramics, respectively, with an amine, a type of chemical that can absorb CO2. Carbon Engineering uses a liquid system, with calcium oxide and water. The companies say it's too early in the development of these technologies to predict what costs will be at scale.

218 comments

  1. CO2 is not bad.... by Anonymous Coward · · Score: 0, Troll

    The biggest problem is that CO2 doesn't seem to be the big problem. In the past the earth had much higher CO2 values, and more plant life. Because of the low levels of CO2 today, we have and increasingly large areas on earth, were nothing grows anymore...

    They should invest more time in solving things like those plastic soup problems in the oceans, instead of wasting their time on the agenda of a group of corrupt global warming advocates...

    1. Re:CO2 is not bad.... by kelzer · · Score: 1

      Because of the low levels of CO2 today, we have and increasingly large areas on earth, were nothing grows anymore...

      Well, we should soon have no problem growing crops all over the world, then: https://climate.nasa.gov/syste...

      --

      ---------------------------------------------
      SERENITY NOW!!!!!!!!!!!!!!!!
    2. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      You must be one of those Koch brothers I keep hearing about.

    3. Re:CO2 is not bad.... by Anonymous Coward · · Score: 1

      It is strongly expected that vegetation patterns may shift as the climate warms, but in general as arctic permafrost becomes more amenable to new forestation and the line of the tropics edge northward, in general the world will become a 'greener' place. More lush flora will serve as a natural check on carbon dioxide concentrations, just as it always has, and while there may be some lag or hysteresis eventually we achieve a new equilibrium. Ironically this may solve other problems that mankind is facing with regards to feeding a growing population; as new farmland opens up in the northern USA and Canada and portions of northern Europe and Russia, there is an opportunity to vastly increase the amount of food available and relieve the strain on the currently overburdened regions like the central US and California.

    4. Re:CO2 is not bad.... by GuB-42 · · Score: 5, Insightful

      In the past the earth had much higher CO2 values, and more plant life.

      But no humans.
      Nature can handle CO2 just fine, it is just that we want to keep our coastal cities above water and our current crops productive. Maybe, in a few thousand years, new plant life will thrive from the increased CO2 levels but we still need to eat during the transition.

    5. Re:CO2 is not bad.... by Opportunist · · Score: 2, Insightful

      You are right. A few millennia ago, Earth had way higher CO2 levels and it did support life. Actually, a lot of life was way better off at higher CO2 levels. It didn't support human life, and it probably cannot with higher CO2 levels, but if that's no requirement, you're right.

      --
      We used to have a Bill of Rights. Now, with the rights gone, all we have left is the bill.
    6. Re:CO2 is not bad.... by bazorg · · Score: 2

      Hopefully there will be an army of ACs holding the flash lights in Canada during winter to ensure that the plants grow in time for a summer harvest.

    7. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      You do realise that our recorded, written history already goes back several millennia, right? And that modern humans were around into the hundreds of millennia...

    8. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      The biggest problem is that CO2 doesn't seem to be the big problem.

      According to who? And what makes you think this matters?

      In the past the earth had much higher CO2 values, and more plant life.

      In the past, human civilization did not exist, the sun's insolation was different, and the alignment of the continents was often quite varied.

      Because of the low levels of CO2 today, we have and increasingly large areas on earth, were nothing grows anymore...

      What makes you say this?

      They should invest more time in solving things like those plastic soup problems in the oceans, instead of wasting their time on the agenda of a group of corrupt global warming advocates...

      Why don't you pay for the investment in people's time for plastic in the ocean? Instead, you just get paid for shilling troll posts on the Internet from your corrupt industrialist masters.

    9. Re:CO2 is not bad.... by hey! · · Score: 5, Insightful

      It's not the absolute level of CO2, it's the rate of change that will lead to mass extinctions. If you said we were headed for 1000 ppm in a million years, I'd say "big deal". If you said we were headed for 100 ppm in eighty years, I'd say, that's very big deal.

      If analogies are your thing, it's like the difference diving into the pool and hitting the water at 10 mph vs. hitting the water 12,500 mph. One is a fun experience, and the best thing you could say about the other is that it's not an experience at all.

      I have a question for people who spread memes like the above: do you ever actually think for yourself, or do you just repeat what you're told?

      --
      Post may contain irony: discontinue use if experiencing mood swings, nausea or elevated blood pressure.
    10. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      Hey Opportunist, what the other Anymouse Cowhard is trying to point out is a millennium = 1,000 years, therefore "several millennia" = "several thousand years" and that humans in our most basic modern form have been walking around on Earth for maybe a hundred thousand years while the remains of early hominid "Lucy" is 3.2 million years old.

      https://en.wikipedia.org/wiki/Lucy_(Australopithecus)

    11. Re:CO2 is not bad.... by Bing+Tsher+E · · Score: 2

      'Big Oil'

      'Big Coal'

      'Big Finance'

      'Big Pharma'

      but never, oh, never, 'Big Government.'

    12. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      You left out

      "Big Religion"

      The "Big Show"

      "Mr. Big"

      And most importantly "Bigfoot" (not the truck)

    13. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      most extant crops perform very well in higher CO2 environments. There are a very few that have acidity issues, but that's solvable with limestone.

    14. Re:CO2 is not bad.... by Bing+Tsher+E · · Score: 0

      do you ever actually think for yourself, or do you just repeat what you're told?

      Ah yes, you are one of the few smart ones. Everbody else is just parroting what Johnny Rich Boy and Jack Corporate have trained them to say.

      Your bumper sticker science doesn't cut it, brother.

    15. Re:CO2 is not bad.... by DNS-and-BIND · · Score: 0

      But no humans.

      You say that like it's a bad thing. Humans have driven more species to extinction than any climate change.

      --
      Shutting down free speech with violence isn't fighting fascism. It IS fascism!
    16. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      Finally, a voice of reason.

      http://www.pnas.org/content/99/7/4167.full

      Eventually photosynthesis will end, ending life on earth because of a lack of CO2.

    17. Re:CO2 is not bad.... by SirSlud · · Score: 1

      Surprisingly, the majority of humans start with a baseline agreement that we would like to preserve humanity.Of course, somebody has to point out that humans are capable of bad things (tm), and don't sound far off from a made for TV movie villain. "Humans are the worst, which neatly explains away my incapacity for empathy but not my disinterest in making sacrifices for the greater good!"

      --
      "Old man yells at systemd"
    18. Re:CO2 is not bad.... by omnichad · · Score: 1

      In the past the earth had much higher CO2 values, and more plant life.

      And no humans

    19. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      I call that Winning!

    20. Re:CO2 is not bad.... by PoopJuggler · · Score: 1

      Right, because solving humankind's problems is the most important thing on the planet, and every other species alive should be sacrificed to attain that goal.

    21. Re:CO2 is not bad.... by hey! · · Score: 5, Insightful

      Smart doesn't come into it. You don't have to be a genius to think critically; it's more a habit than a talent.

      Nobody who spent twenty minutes thinking about the "CO2 was much higher in the past" would realize that this is an idiotic argument; sure they were higher in the Eocene 50 million years ago, but the Eocene warming event was accompanied by global mass extinctions -- as was the subsequent cooling. But both the "rapid" warming and cooling happened much more slowly, slowly enough for new species to emerge as for old ones to disappear. "Rapid" in terms of the Eocene Optimum event was 0.3 C/1000 years. The current rate of warming is sixty times faster.

      You don't have to be a genius to figure this out. You just have to be curious enough to look into it. So I have to ask again, do you actually think about this crap before you choose to believe it, or do you just go by how it makes you feel? Clearly, based on your strawman argument, you think how you feel about the messenger makes some difference.

      --
      Post may contain irony: discontinue use if experiencing mood swings, nausea or elevated blood pressure.
    22. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      most extant crops perform very well in higher CO2 environments. There are a very few that have acidity issues, but that's solvable with limestone.

      But NOT human that can perform well in higher CO2 environments, unless you are going to breed a new human species?

    23. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      That's correct you loon. People are more important than animals you PETA schyco

    24. Re:CO2 is not bad.... by DontBeAMoran · · Score: 1

      Don't worry, I've heard the planet rotational axis is going to shift, too.

      --
      #DeleteFacebook
    25. Re:CO2 is not bad.... by DNS-and-BIND · · Score: 0

      The maximum sustainable population of humans on planet Earth is 500 million. We have 15 times that many and they're only growing.

      --
      Shutting down free speech with violence isn't fighting fascism. It IS fascism!
    26. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      All the more reason to get off this rock and start new franchises

    27. Re:CO2 is not bad.... by easyTree · · Score: 1

      they're only growing

      Aha. Caught you in a slip. You may want to be more careful if you're to avoid detection in future.

    28. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      dem gosh darn ebil guberment after mah gunz gain pa! go gettem

    29. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      No, you moron, don't spread the infection. It's bad enough confined to one planet. If there is so much as a single bacterium on Mars, that is quite enough to prevent humanity from ever setting foot on it and genociding the natives like we already did once.

    30. Re: CO2 is not bad.... by Shepanator · · Score: 1

      You can't grow crops effectively at high latitudes due to there being no light at all for half the year. Also deserts are growing faster than permafrost melts, so there is still a net loss of farmable land. Thirdly, human accelerated climate change will not give time for many species of plants and animals to adapt as they have in the past, leading to a global crash in biodiversity. Get your head out of your ass

    31. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      You already lost the global warming argument. Give it up already.

    32. Re:CO2 is not bad.... by Anonymous Coward · · Score: 1

      Chances are, you are already living under a MUCH higher CO2 environment. A buddy of mine bought a CO2 meter and let me borrow it for a while. Inside a closed room, like that which you sleep in every night, CO2 levels EASILY reach greater than 1000 PPM because there is NOTHING converting the CO2 that you are generating with every breath back to O2 like outside where all the plants are living (outdoor air is usually around 390 to 420 PPM at the moment).

      Worried about CO2? Plant some trees and crack open a window.

    33. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      So, why don't you go off yourself and help "save the planet" then?

    34. Re:CO2 is not bad.... by spun · · Score: 2

      In high CO2 environments plants produce more vegetative growth, sure. But less nutrients. So you have to eat more calories to get all your vitamins and minerals. How's that been working out so far?

      --
      - None can love freedom heartily, but good men; the rest love not freedom, but license. -- John Milton
    35. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      The moderators are censoring any intelligent discussion about banning bump stocks and semi-automatic weapons. Obviously, we need to make those illegal so that ISIS converts like the Las Vegas shooter will have to fashion their own devices instead of conveniently buying them at a store. Remember, economic activity is bad for the environment! Especially if such activity results in the deaths of innocent people. Those poor people are going to decompose and release CO2 into the environment!

    36. Re:CO2 is not bad.... by spun · · Score: 1

      Where's your proof of this? Convenient how it's a nice round number like 500 million. I'm sure some damn fine math went into making that "500 million."

      --
      - None can love freedom heartily, but good men; the rest love not freedom, but license. -- John Milton
    37. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      Chances are, your bedroom rises above 1000PPM CO2 every night just from you breathing and no counteracting plants photosynthesizing inside your enclosed living space. That extreme rate of change doesn't do one lick of damage to you, and it WILL help plants grow noticably faster if you were living an indoor grow room.

    38. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      All conjecture lets base global economies on your hunch...

    39. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      I expect the earth, and the universe, would do just fine if humans were to disappear.

    40. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      I guess you're not a Nebraskan farmer.

    41. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      Nah, lets base economics on hope and prayer.

    42. Re:CO2 is not bad.... by bugs2squash · · Score: 1

      Holy shit - the line of the tropics will edge northward. Woah ! - so not only will the earth's axis of rotation change it will wobble throughout the year to prevent there being any corresponding southward expansion.

      We'll all be shaken off the planet by climate change, we'd better reduce emissions right away and hold on tight

      --
      Nullius in verba
    43. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      > If you said we were headed for 1000 ppm in a million years, I'd say "big deal".

      Indeed. I'm pretty sure it's actually Neil deGrasse Tyson who informed me a good while ago on one of his shows or lectures on YouTube (I forget which) that at some point in the distant past CO2 concentration in the atmosphere was around 1,600 ppm (whereas right now we're panicking as we're reaching a mere 400), and that was actually at the period of time where plant life was thriving the most - resulting in tree leaves as big as a car and tree trunks as wide as a house - and because plants grew to be so large, Earth was getting extremely oxygen-rich.

      The real question is, what's "normal"? Us puny humans tend to describe that in terms of what we're used to seeing over our insignificantly small lifespans. Indeed climate is changing - and according to the geology class I had taken 25+ years ago while in university, compared to the distant past, it's highly abnormal that it's remained as stable as it has over the last 10,000 years or so, and modern agriculture has in all likelihood avoided the start of another ice age.

      So I agree with the consensus, no matter how many solar or wind farms we put up - while that's a good thing - we're not going to slow down or reverse the increase in CO2 concentration any time soon, no matter what, so we might as well spent the money to *adapt* to the coming changes rather than delude ourselves thinking we can *prevent* them.

    44. Re:CO2 is not bad.... by SeaFox · · Score: 2

      The maximum sustainable population of humans on planet Earth is 500 million.

      [citation needed]

    45. Re:CO2 is not bad.... by Opportunist · · Score: 1

      Yup, I was off by a factor of thousands. Sorry. But from the replies I can deduce that the majority of readers understood what I was trying to say, that the carbon dioxide levels used to be higher a few million years ago, before modern human walked the earth, and that other life forms can survive in such a climate.

      We, on the other hand, don't do so great when CO2 levels rise. We're fairly sensitive to CO2, due to the way our respiration system works. Our breathing reflex is actually not triggered by a lack of oxygen but by a surplus of CO2. But what really "kills" us here is our brain. That thing really starts to freak out if you flood it with high CO2 levels. If it wasn't dangerous I'd suggest breathing in deeply from a CO2 bottle and see for yourself how your body goes into panic mode.

      --
      We used to have a Bill of Rights. Now, with the rights gone, all we have left is the bill.
    46. Re:CO2 is not bad.... by Areyoukiddingme · · Score: 1

      Nobody who spent twenty minutes thinking about the "CO2 was much higher in the past" would realize that this is an idiotic argument; sure they were higher in the Eocene 50 million years ago, but the Eocene warming event was accompanied by global mass extinctions -- as was the subsequent cooling.

      All this fuss about how fast CO2 concentrations rose and no thought at all about how long a mass extinction actually takes.

      The largest known mass extinction 252 million years ago that marked the end of the Permian period lasted a minimum of 12,000 years and may have taken as long as 108,000 years. You all act like it happens overnight. It doesn't. Natural mass extinctions take thousands upon thousands of years. So many thousands of years that it's relatively easy for human intervention to prevent a lot of them entirely. We will certainly save all the species with cute, fuzzy babies. Odds are we'll save every other species we find useful or interesting, and many more besides. Mass extinctions take so long that you only have to be paying as much attention as we're paying now to notice a niche starting to go empty and do something about it. Foolishly, perhaps, because mass extinctions are natural, have happened repeatedly, and are irrelevant to the survivors. If your species lives through it, you don't care what happened to all the rest. A new food web will grow up in place of the old one. And if you don't think our species can't artificially maintain a food web to support ourselves, you haven't been paying attention—we already do.

      That mass extinction involved 6 million cubic kilometers of lava, by the way. That should sound like a big number, because it's a fucking big number. Enough to cover the continental US a mile deep. People who run around waving their hands about "mass extinction" events over a little burning coal should bear that in mind.

    47. Re:CO2 is not bad.... by Chas · · Score: 1

      The maximum sustainable population of humans on planet Earth is 500 million. We have 15 times that many and they're only growing.

      Whose ass did you pull that number from?

      --


      Chas - The one, the only.
      THANK GOD!!!
    48. Re:CO2 is not bad.... by AutodidactLabrat · · Score: 1

      No.
      In General, the tropics will become deserts devoid of life, thanks to surge heat (heat waves) in excess of 140F for up to 20 hours at a time
      ie., giant crockpots
      The low mineral arctic tundra, lined meters deep in algae corpses, will be unuseable by trees or grassland, and will continue to spew methane.

    49. Re:CO2 is not bad.... by gatfirls · · Score: 1

      This is the era of "it sounds like it should be true so it is".

    50. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      The problem isn't the amount of daylight, it's the temperature.
      But it takes thousands of years or more for land to become fertile and covered in good dirt.

      The real problem is simple... too many humans.

      As for this plant, I suspect they are ignoring most of the emissions produced during its construction, and if counted properly you'd find it won't even reach a "zero balance" by the time it reaches end of life.

    51. Re:CO2 is not bad.... by K.+S.+Kyosuke · · Score: 1

      The increase of "baseline", ambient CO2 concentrations will push CO2 concentrations in enclosed spaces even higher. That either spells doom for productivity in office buildings or will significantly increase costs for improved ventilation of said buildings.

      --
      Ezekiel 23:20
    52. Re: CO2 is not bad.... by hey! · · Score: 1

      My mother-in-law lived to the age of 96. By your logic I'm guaranteed another 40 years.

      You can't calculate by analogy.

      --
      Post may contain irony: discontinue use if experiencing mood swings, nausea or elevated blood pressure.
    53. Re: CO2 is not bad.... by Anonymous Coward · · Score: 0

      Humanity is a secondary product of a much more diverse system. Oversight of this is a critical error. Producers and decomposers are much more important than humans simply because all life cycles are predicated on the symbiotic relationship they provide with us and every other species. Moreover all species have a symbiotic and adapted relationship with their environment which should be preserved. Another noteworthy argument to be made is the fact we've yet to reproduce biogenesis meaning no matter how complicated or simple an organism, it is irreplaceable once depleted.

    54. Re: CO2 is not bad.... by ChrisMaple · · Score: 1

      Soil is nice, but not essential. Hydroponics works.
      Plants can grow in sand. Just add water and fertilizer.

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    55. Re: CO2 is not bad.... by ChrisMaple · · Score: 1

      You first.

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    56. Re:CO2 is not bad.... by ChrisMaple · · Score: 1

      The world population has been in excess of 500 million for over 500 years. https://en.wikipedia.org/wiki/World_population

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      Contribute to civilization: ari.aynrand.org/donate
    57. Re:CO2 is not bad.... by ChrisMaple · · Score: 1

      I've spent hours 2 feet away from a cooling chamber fed by liquid CO2, breathing the evaporated CO2 and not having breathing or panic problems. The primary nuisance is that the CO2 forms carbonic acid on contact with tears, and it stings a little.

      --
      Contribute to civilization: ari.aynrand.org/donate
    58. Re:CO2 is not bad.... by Anonymous Coward · · Score: 0

      As I understand it, the "mass extinctions" of 50 MYA was only in the oceans. Life on land did really well.

      Another data point is the biodiversity of the times. The farther back you go, the less diversity there is (adjusted for extinction events, of course.) In general, the biodiversity of life increases with time. What that means is that life is in a position to adapt to change far more rapidly today than it was 50 MYA. Life adapts and migrates pretty quickly, actually.

      It's not such a "stupid" argument after all. What's really stupid is thinking you have all the info you need for a definitive answer without any further discussion. And the unnecessary ad-hominim attack. That's pretty stupid too.

    59. Re: CO2 is not bad.... by Bing+Tsher+E · · Score: 1

      Also, Big Wheel!

    60. Re:CO2 is not bad.... by Bing+Tsher+E · · Score: 1

      After reading enough about how 'Bump Stocks' work, it becomes obvious that a skilled gunman can probably make a 'bump stock' out of the right kind of chunk of foam rubber. The idea is to use the resonance of the bounceback of recoil from the previous shot to cause your stationary finger to trigger the next shot.

      The only way to shut that down is to ban semi-automatics.

  2. Jobs for coal miners by jfdavis668 · · Score: 4, Funny

    They can have jobs putting all the carbon back into coal mines.

    1. Re:Jobs for coal miners by Baron_Yam · · Score: 1

      You joke, but I imagine if we ever filtered enough CO2 out of the global atmosphere to return to where we believe it should be, we throttle back sequestration and then use the atmosphere as a short-term carbon sink - burn something (hopefully something fairly clean-burning), capture the carbon later and turn it back into fuel again.

    2. Re:Jobs for coal miners by coofercat · · Score: 1

      ...and sure-up all the creaky wooden posts and planks holding up the roofs. It'll stop them collapsing later and causing subsidence at the surface.

      Of course, what we'll probably end up doing is building monuments and stuff out of the carbon-rocks and filling the mines with concrete so we've got more CO2 to suck up later.

    3. Re:Jobs for coal miners by Anonymous Coward · · Score: 0

      You joke, but I imagine if we ever filtered enough CO2 out of the global atmosphere to return to where we believe it should be, we throttle back sequestration and then use the atmosphere as a short-term carbon sink - burn something (hopefully something fairly clean-burning), capture the carbon later and turn it back into fuel again.

      And we'll use solar power to make fuel! Brilliant!

    4. Re:Jobs for coal miners by knightghost · · Score: 1

      We will if they get that lab experiment turning solar energy into ethanol working to scale.

    5. Re:Jobs for coal miners by Baron_Yam · · Score: 2

      The energy has to come from somewhere, it's not free. The carbon cycle is a potential storage mechanism, not a power generator.

      I remain a dreamer - I like space-based solar beaming power to Earth, because it requires less land and is impervious to cloud cover and axial tilt, and somewhat less affected by day/night cycles.

    6. Re:Jobs for coal miners by Anonymous Coward · · Score: 1

      that something is called trees. You burn them for fuel, plant more, and they recapture CO2 from atmosphere to grow... and you can burn them again, etc. All driven by the sun... (it only gets "dirty" when folks burn more than they grow).

    7. Re:Jobs for coal miners by Immerman · · Score: 1

      Yeah, makes for a great dream. Unfortunately the reality comes with a price - firstly, figuring out how to tight-beam the power down to Earth, 22,000 miles away (geostationary orbit - or alternately building a ring of receivers all around the Earth to be targeted in series as it orbits)

      Secondly - orbital death rays. Global instantaneous energy consumption currently averages out to about 20,000GW. If we're continuously delivering that much energy from orbit, we'd better be damned certain that the beams never get aimed at anything other than the receivers - either accidentally or intentionally. And without any of the downsides of nuclear or biological weapons, the temptation to use them would be far greater. On the "bright" side, they would render conventional military pretty much completely obsolete...

      --
      --- Most topics have many sides worth arguing, allow me to take one opposite you.
    8. Re:Jobs for coal miners by Immerman · · Score: 1

      And if you want to actually *reduce* CO2 levels, you turn some of it it into charcoal and bury it - it does wonderful things to soil fertility, while not actually being consumed in the process like fertilizers so it remains stably locked in the soil for centuries or millenia.

      --
      --- Most topics have many sides worth arguing, allow me to take one opposite you.
    9. Re:Jobs for coal miners by Baron_Yam · · Score: 1

      You use self-aiming rectenna farms. Since the satellite requires a signal back from the receiver to operate, it can't be deliberately mis-aimed unless someone with the ability to modify an orbiting satellite wants it to... which means a government.

      First, no government would let its own satellite get modified by another entity. Second, any government microwaving a few square kilometers of the Earth would get about the same response as if they'd launched a nuke.

      It's really not any more dangerous than multiple other things we have going on today.

    10. Re:Jobs for coal miners by Dunavant · · Score: 1

      First, no government would let its own satellite get modified by another entity.

      Much like any of their other computers. Especially not military computers. https://tech.slashdot.org/stor... https://www.sans.edu/cyber-res...

    11. Re:Jobs for coal miners by Immerman · · Score: 1

      Yep, self-aiming systems work great, as long as they're designed and built without *any* flaws - I'm sure these would be the first ever human artifact to pull that off. Similarly, I'm certain that no hackers would ever be able to seize control of the satellite control systems, after all governments and power companies consistently have the most secure computer systems on the planet... oh wait...

      Meanwhile I'm not at all certain about the blowback of using orbital microwaves for military purposes - nukes harm everyone downwind for decades to centuries to come. As do bioweapons (along with the potential to mutate into a completely uncontrollable form). Chemical weapons, like minefields, can present long-term cleanup problems, and even then only seem to generate moderate political noise even when used against civilian populations. Orbital death rays in comparison are free of side-effects of long-term consequences. I'm sure there'd be some outrage if used against civilian populations - but like nukes I suspect the only real dissuasion would be the promise of mutually assured destruction. Of course, giant orbital power stations are a lot easier to destroy than secret underground missile silos, so there's plenty of potential for a winnable first-strike scenario to be developed.

      --
      --- Most topics have many sides worth arguing, allow me to take one opposite you.
    12. Re:Jobs for coal miners by Baron_Yam · · Score: 1

      On the other hand, if you power the microwave beam controls with a maser beamed up from the rectenna farm into a highly directional receptor, you have a situation where you'd have to both corrupt the satellite control software AND provide power from within a limited geographical area on the surface.

      If you set up the basic feedback system for your microwave beam in software only, you get what you deserve.

    13. Re:Jobs for coal miners by Baron_Yam · · Score: 1

      >Similarly, I'm certain that no hackers would ever be able to seize control of the satellite control systems,

      I'm willing to live next to a rectenna farm based on the idea that no terrorist group or foreign government will be able to both hack the satellite AND corrupt the ground power supply system.

      Besides... as per Wikipedia, they don't make very good death rays anyway:

      "Contrary to appearances of SBSP in popular novels and video games, most designs propose beam energy densities that are not harmful if human beings were to be inadvertently exposed, such as if a transmitting satellite's beam were to wander off-course. But the vast size of the receiving antennas that would be necessary would still require large blocks of land near the end users to be procured and dedicated to this purpose."

    14. Re:Jobs for coal miners by Immerman · · Score: 1

      Quite. But assume you're a government funding such an expensive endeavor - why wouldn't you design the transmitter to be capable of focusing the beam more tightly, and being a powerful weapon as well? The incremental expense would be negligible, and the incremental advantage immense.

      As for corrupting the ground power supply - why bother? It's just a big antenna. Seize control of the satellite, disable the self-aiming, and boil your selected target. The self-aiming is a feedback-assisted targeting system, not some sort of physical lock.

      --
      --- Most topics have many sides worth arguing, allow me to take one opposite you.
    15. Re:Jobs for coal miners by Baron_Yam · · Score: 1

      >assume you're a government funding such an expensive endeavor - why wouldn't you design the transmitter to be capable of focusing the beam more tightly, and being a powerful weapon as well?

      Because there's no way to use it in a military fashion that is worth the effort. You're not going to melt a tank with it, microwaves are fairly easy to shield against.

      > Seize control of the satellite, disable the self-aiming, and boil your selected target. The self-aiming is a feedback-assisted targeting system, not some sort of physical lock.

      Says you. It's possible to make it a physical lock so that hacking the software of the satellite is pointless unless you already control the ground you want to cook.

    16. Re:Jobs for coal miners by Anonymous Coward · · Score: 0

      How about grow them and then bury in mines which you collapse on them.

    17. Re:Jobs for coal miners by Anonymous Coward · · Score: 0

      Finally someone who understands this: burning coal isn’t bad because it emits co2, it’s bad because you’re releasing carbon that has been out of the carbon cycle for a few hundred million years.

      Burning a rainforest isn’t great, but to put it into perspective that carbon was only captured in the last 100-1000 years or so and has been cycling in and out of the atmosphere constantly for all of “recent” geological history. It’s part of the carbon cycle that set our current climate, so the burning will have a relatively small and short term impact. By contrast burning fossil fuel adds extra carbon to the system that hasn’t been in play since the dinosaurs were enjoying a much hotter planet *to which they, unlike us, were perfectly adapted*.

    18. Re:Jobs for coal miners by K.+S.+Kyosuke · · Score: 1

      A presumably much more meaningful way would be orbital mirrors aiming extra sunlight into a small number of regions dedicated to solar power production, mostly because of vastly higher power-to-weight ratio and increased reliability.

      --
      Ezekiel 23:20
    19. Re:Jobs for coal miners by catprog · · Score: 1

      Unless you do not replant the forest.

      Then you add carbon to the atmosphere.

      --
      My Transformation Website
      Kindle Books http://www.catprog.org/rev
      Interactive CYOA http://www.catprog.org/st
  3. Clean coal by DrYak · · Score: 1

    Well, technically, THAT is clean coal.

    As in : this is a technology designed to clean the air, and at the end it produce stone out of the captured CO2 - i.e.: (sort-of) coal (-ish).

    --
    "Sufficiently advanced satire is indistinguishable from reality." - [Tips: 1DrYakQDKCQ6y52z6QbnkxHXAocMZJE61o ]
  4. "40 trillion kg of carbon dioxide humans produce" by Anonymous Coward · · Score: 0

    I don't think the amount of CO2 humans produce is a low ball number like 40 trillion kg, I think the number is far greater.

    If we are producing only 40 trillion kg per year, the Earth is in great shape and we don't need to worry much about man-made CO2.

  5. Other news by Anonymous Coward · · Score: 0

    I have commenced my plan to drain the ocean. Thus far I have removed one bucket of water and flushed it down the toilet.

  6. But if climate change is a lie... by Anonymous Coward · · Score: 0

    Then this will increase the pollution!!!!

    Look, since climate change is a lie and there is no climate change, then that means all the C02 we pump into the air has no effect. Who knows what effect NEGATIVE amounts of C02 would have.

    We must band together to stop this plant NOW. We can't let this sort of thing continue or it will kill us all!!!

  7. Calcium Oxide methodology? by sensei+moreh · · Score: 5, Interesting

    Carbon Engineering uses a liquid system, with calcium oxide and water.

    Calcium oxide is most commonly made by heating limestone: CaCO3 -> CaO + CO2 Looks like all we're doing here is recovering the CO2 used to create the CaO

    --
    Geology - it's not rocket science; it's rock science
    1. Re:Calcium Oxide methodology? by drinkypoo · · Score: 1

      A lot of these schemes boil down to heat, so if you can use heat pipes or solar concentrators or some other such energy-efficient scheme for delivering the energy, they are plenty cheap in that sense. Even if this particular case doesn't turn out to have a carbon-negative lifecycle, the research value is high.

      --
      "You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
    2. Re:Calcium Oxide methodology? by hey! · · Score: 2

      CO2 is fungible, so it doesn't matter which CO2 source you offset.

      The problem here I see is scaling this to the point where it makes a difference. Human emissions of CO2 amount to 10 gigatons of CO2/annum. Let's say to have a significant effect, you need to remove 5% of that. We need to remove five hundred billion kilograms of CO2 every year.

      CO2 has a molar mass of 44.01 g/mol; calcium carbonate has a molar mass of 100.09. So for every kg of CO2 you remove, you generate roughly 2.3 kg of CaCO3.

      That means to have a significant effect we'd have to find some place to put 1.115 x 10^12 kg of CaCO3. The densest form of calcium carbonate has a density of 2.83 g/cm^3. That means we'd be generating almost 400 million cubic meters. Imagine a block of calcium carbonate a 1 x 1 km wide and long and 400 m high. If you set the Empire State building next to it, just the radio mast would peek over it.

      --
      Post may contain irony: discontinue use if experiencing mood swings, nausea or elevated blood pressure.
    3. Re:Calcium Oxide methodology? by omnichad · · Score: 1

      Yes, but the heating still seems to release CO2. And if the material has no more capacity than to recapture that same CO2, this is a net zero proposition.

    4. Re:Calcium Oxide methodology? by Anonymous Coward · · Score: 0

      CaO is called "quicklime" and exothermicaly becomes Ca(OH)2 (slaked lime) when exposed to water.

      The production of quicklime is one of the oldest industrial processes. The Chumash used it to make acorns edible. I traveled along Lime Kiln Rd. this morning on my way to work.

      Producing CaO does indeed release C02. Exactly as much as you can then sequester with it. But wait, there's more! The energy to fire the lime kiln also releases C02!* It's a net increase.

      The only thing this plant (or anything derived from it) is good for is extracting money from technically illiterate fools, at which it has evidently succeeded. You will note that this post, by limiting itself only to basic chemistry, is agnostic on the effects of C02.

      *energy is fungible, yada yada

    5. Re:Calcium Oxide methodology? by KingOfBLASH · · Score: 1

      But the process is also reversible. So if you can extract the CO2 then you can store it, or use it. Possible uses include creating polymers or fuels, which are mostly long carbon chains. In TFA, they take the CO2, put it into water, and inject it in the ground for storage (the CO2 turning into carbonates). The heat comes from waste heat from geothermal, so the whole idea is very efficient.

    6. Re:Calcium Oxide methodology? by JesseMcDonald · · Score: 2

      CO2 is fungible, so it doesn't matter which CO2 source you offset.

      It matters if your method of capturing CO2 requires releasing an equal amount of CO2 to produce the necessary ingredients. You're not "offsetting" anything in that case, just converting CaCO3 -> CaO + CO2 -> CaCO3 in a closed loop and wasting energy in the process.

      --
      "The state is that great fiction by which everyone tries to live at the expense of everyone else." - Bastiat
    7. Re:Calcium Oxide methodology? by Artagel · · Score: 1

      If you are going to get calcium from sedimentary rocks then limestone is your source. But being at the meeting of the North Atlantic and European plates Iceland has access to volcanic (igneous/metamorphic) rocks. They get their calcium from basalt. https://www.washingtonpost.com...

      If you wait long enough for erosion to liberate calcium from volcanic rocks the CO2 in the oceans will form limestone. Typically, this is river runoff. https://earthobservatory.nasa.... Alas, waiting hundreds of millions of years isn't going to fight global warming so the Icelandic project is kind of hurrying things along.

    8. Re:Calcium Oxide methodology? by Anonymous Coward · · Score: 0

      Carbon Engineering uses a liquid system, with calcium oxide and water.

      Calcium oxide is most commonly made by heating limestone:
      CaCO3 -> CaO + CO2
      Looks like all we're doing here is recovering the CO2 used to create the CaO

      I think you and everyone else is missing a very critical salient point in this new fangled product.

      What is the carbon production required to provide the power to run the dang-fool thing? If it produces more carbon that it sucks in, then it's only making the problem worse.

      As for all the bleeding-heart libtards that scream back SOLAR and WIND as the best possible power sources, think about how much power was consumed to produce those fancy dancy panels and sexy turbine blades.

      Once you have done all of those calculations only then will you know just how good or bad this thingie will be for the planet.

    9. Re:Calcium Oxide methodology? by K.+S.+Kyosuke · · Score: 1

      The point is concentration, I believe. You can use the concentrated CO2 for whatever chemical purpose you need.

      --
      Ezekiel 23:20
    10. Re:Calcium Oxide methodology? by K.+S.+Kyosuke · · Score: 1

      There's a lot of such cycles in industrial processes. For example, water in a nuclear power plant's coolant loop. That doesn't mean that such processes are useless. Obviously, otherwise we wouldn't bother with them.

      --
      Ezekiel 23:20
    11. Re:Calcium Oxide methodology? by catprog · · Score: 1

      Well in this case I think the power is coming from the geothermal plant.

      And for the solar and wind, energy payback times seem to be less then 3 and 1 years respectively.

      --
      My Transformation Website
      Kindle Books http://www.catprog.org/rev
      Interactive CYOA http://www.catprog.org/st
  8. hmmmm by Anonymous Coward · · Score: 0

    "The companies say it's too early in the development of these technologies to predict what costs will be at scale.", that is usually science speak for hideously and unaffordablly expensive, but we hope to find a way to make it viable somehow.

    1. Re:hmmmm by Opportunist · · Score: 1

      It usually translates to "It works. But doesn't really scale well, or at all."

      --
      We used to have a Bill of Rights. Now, with the rights gone, all we have left is the bill.
  9. At what expense? by Opportunist · · Score: 1, Insightful

    So it "eliminates" 50m CO2. How much geothermal energy does it use for this, and how much CO2 could be saved by not running this plant and instead using the power to power whatever is now being powered by a power plant burning coal, oil or gas?

    --
    We used to have a Bill of Rights. Now, with the rights gone, all we have left is the bill.
    1. Re:At what expense? by Anonymous Coward · · Score: 3, Insightful

      Think about it like this: if this works, a large solar plant could be built in the middle of an inhospitable desert that exists solely to strip CO2 out of the air. Distributing electricity is a huge issue. Using it for something like this would be very useful.

    2. Re:At what expense? by Opportunist · · Score: 1

      If that was viable, we'd already have something like this. Transporting power is cheap, easy and quiet safe.

      Most deserts are not in the most stable of areas. Aside of that, you deal with extreme temperature differences in deserts, along with sand that kills your solar cells. I can see where you're coming from, but it just ain't that simple.

      --
      We used to have a Bill of Rights. Now, with the rights gone, all we have left is the bill.
    3. Re:At what expense? by Anonymous Coward · · Score: 1

      At no expense, since Iceland does not use fossil fuels for anything but transportation.

      https://en.wikipedia.org/wiki/...

    4. Re: At what expense? by ljw1004 · · Score: 1

      I don't think Iceland has the undersea cable to export any of its excess electricity.

      Already container ships take bauxite to Iceland to smelt for aluminum because there's so much cheap geothermal available.

    5. Re:At what expense? by bluefoxlucid · · Score: 1

      Bingo.

      They could have also just generated liquid fuel and sent it out for burning. I imagine ethanol is easy to make (H3C-CH2OH), although methane is easier (CH4). If you're doing AGW, though, CH4 is more-volatile and dangerous: it's a gas at room temperature, and ethanol is liquid and not prone to induce a greenhouse gas effect.

    6. Re:At what expense? by Anonymous Coward · · Score: 0

      It isn't. Gregor Czisch proved in his Dissertation that getting renewable Electricity for Europe 24/7 year-around is doable.

    7. Re:At what expense? by Applehu+Akbar · · Score: 1

      And for this application the fluctuations in generated power wouldn’t matter.

    8. Re:At what expense? by Anonymous Coward · · Score: 0

      "If that was viable, we'd already have something like this. Transporting power is cheap, easy and quiet safe."

      It isn't profitable, which is why no one is doing it. My interpretation of the GP was that this plan could be used to reduce CO2 if people were willing to invest in such infrastructure solely for climate purposes, with no excess energy making it to the grid. People aren't there yet, and by the time they are it will probably be too late.

      Of course it would make more sense to just lower emissions, but that requires cooperation from other countries to scale back sufficiently.

    9. Re:At what expense? by Eloking · · Score: 1

      So it "eliminates" 50m CO2. How much geothermal energy does it use for this, and how much CO2 could be saved by not running this plant and instead using the power to power whatever is now being powered by a power plant burning coal, oil or gas?

      This is a completely valid point.

      No matter how much CO2 they remove from air with their "'Negative Emissions" plant, if they can't beat the amouth "created" by the most "Positive Emissions" on earth then it'll be more worth it to use that clean power to replace it.

      Still, if we think like this we'll never work on this issue (removing CO2 from air) so I still find that this it worth it but, of course, I'll kept my doubt that they will ever reach those number. As the article said itself, removing the CO2 from air is a lot more harder than removing it from the source (the coal plant directly) and I don't see how it could be possible to remove the CO2 from air more efficiently than putting it there in the first place (in other words, clean energy, clean car., clean places). But, like the french say, I'll give a chance to the runner (and see how far he'll go).

      --
      Elok
    10. Re:At what expense? by pipingguy · · Score: 0

      You're not supposed to ask how much it costs, you're supposed to just enthusiastically support whatever is proposed. Otherwise ===> Denier!!!

    11. Re: At what expense? by Anonymous Coward · · Score: 0

      Iceland uses virtually no fossil fuels for power, so none. They have such energy abundance that they may as well use the excess for projects such as this.

    12. Re:At what expense? by Immerman · · Score: 1

      Indeed. This seems to be one of those technologies being developed against the day when we finally get off our buts and decide to spend serious resources to start cleaning up after ourselves.

      Unfortunately, that will probably be at about the point where warming becomes such an immediate crisis that it can't be ignored anymore. Which unfortunately means we'll have a lot of much more immediate demands for those resources than fixing the long-term problem.

      Still, it's only a small research investment right now, and it would be a very sad thing if we actually manage to grow up and bite the bullet, only to realize it will take decades of research before we could actually start fixing the problem.

      --
      --- Most topics have many sides worth arguing, allow me to take one opposite you.
    13. Re:At what expense? by thegarbz · · Score: 1

      All great questions. What we should do is built a pilot plant to help determine the technology's viability!

    14. Re:At what expense? by Anonymous Coward · · Score: 0

      Indeed. I actually proposed solar-power generated gasoline before but natural gas is certainly easier.

    15. Re: At what expense? by Opportunist · · Score: 1

      Ok, but then it doesn't really scale that well, unless we manage to pump the Earth's CO2 somehow their way. Or make one of their unpronounceable volcanoes explode again.

      --
      We used to have a Bill of Rights. Now, with the rights gone, all we have left is the bill.
    16. Re: At what expense? by Anonymous Coward · · Score: 0

      You seem to be confusing the term "proved" with the word "argued."

    17. Re:At what expense? by catprog · · Score: 1

      Thing is CH4 decays in the air to CO2 in the medium term.

      --
      My Transformation Website
      Kindle Books http://www.catprog.org/rev
      Interactive CYOA http://www.catprog.org/st
    18. Re:At what expense? by bluefoxlucid · · Score: 1

      Yeah, but a release of CH4 still has like 160x the global warming potential or whatever measure they use compared to CO2. It burns out eventually (oxygen is rather-aggressive).

      An ethanol spill has some vapor, but generally remains liquid at room temperature. Burning it for fuel produces CO2, but only from the CO2 removed from the air--net-zero. It's still a fossil fuel offset.

      Risks. I handle risks. It's a thing. I don't just throw things out there without considering risk.

  10. I'm confused by Opportunist · · Score: 1

    At school I learned that plants already did that for millennia. They take in CO2, sunlight and water to produce sugar, starch and cellulose and they expel O2. Now we have the first negative CO2 emission plant?

    When did plants become CO2 producers?

    (And yes, I know that they do at night, c'mon, it's a joke, people...)

    --
    We used to have a Bill of Rights. Now, with the rights gone, all we have left is the bill.
    1. Re: I'm confused by Anonymous Coward · · Score: 0

      When they die and decompose above ground

    2. Re: I'm confused by Opportunist · · Score: 1

      Technically, it isn't the plant producing the CO2.

      --
      We used to have a Bill of Rights. Now, with the rights gone, all we have left is the bill.
    3. Re: I'm confused by Anonymous Coward · · Score: 0

      Which is why the best carbon sinks we have is lumber. Millions of tons of lumber, 40-50% carbon. I've not seen any proposals for sequestration that are more effective then just laying out lumber somewhere it won't decompose.

    4. Re: I'm confused by SlaveToTheGrind · · Score: 1

      I've not seen any proposals for sequestration that are more effective then just laying out lumber somewhere it won't decompose.

      Just laying lumber out would take a lot of surface area, though. For more efficiency, maybe we could put some of the pieces vertically and invent some kind of metal fasteners to hold them together and keep them from falling down. Then we'd probably have to put some sort of a slanted cover on the top to keep the rain from soaking into the lumber and rotting it. Heck, if we went crazy and used some of the lumber to build a surface on the inside, maybe homeless people could spend the night there or something.

    5. Re: I'm confused by Anonymous Coward · · Score: 0

      Yes, but all it takes is one crazy ex-homeless to wreck a lumber storage area and releasing all that CO2 back into the atmosphere.

      Heck, even this lumber storage area is already releasing those stored CO2 back into the atmosphere... No crazy ex-homeless needed.

    6. Re: I'm confused by Anonymous Coward · · Score: 0

      If you burn the plants, the charcoal lasts for thousands or millions of years.

    7. Re: I'm confused by Immerman · · Score: 1

      Technically it doesn't matter - as long as the carbon isn't geologically sequestered it's still a problem.

      --
      --- Most topics have many sides worth arguing, allow me to take one opposite you.
    8. Re: I'm confused by catprog · · Score: 1

      I have.

      Put all that lumber in a pile and cover it with clay so the air can't get to it. Then set it on fire.

      Soon you have 100% carbon.

      --
      My Transformation Website
      Kindle Books http://www.catprog.org/rev
      Interactive CYOA http://www.catprog.org/st
  11. Plants by Subm · · Score: 1

    The irony is that all plants are all negative emissions, yet we burn and chop down rain forests at a football field every few seconds (in metric: a futbol field every few seconds).

    1. Re:Plants by cirby · · Score: 1

      The thing is, the botanists already know that despite the rainforest removal in some areas, the plants around the rest of the world have been taking up the slack.

      If you want to sequester a crapload of CO2 for the long term for practically no energy investment, just plant a lot of long-lived trees and replace them as necessary.

    2. Re:Plants by bluefoxlucid · · Score: 1

      No, you plant fast-growing trees and build houses and paperworks.

    3. Re:Plants by Anonymous Coward · · Score: 0

      Or plant grass or weeds and periodically mow it and bury the clippings.

      And it comes with the added advantage of being 100% solar powered.

  12. Nothing new here... by kenh · · Score: 1

    Weâ(TM)ve had naturally-occurring âNegative Emissionsâ(TM) plants for centuries - in fact I used to live next one, itâ(TM)s called a forest, and itâ(TM)s populated with plants and trees that actually thrive on greenhouse gasses...

    --
    Ken
    1. Re:Nothing new here... by Anonymous Coward · · Score: 0

      Your forest was net zero, not net negative. Sorry. Forests are only net negative while they expand the total mass, otherwise they are emitting as much as they absorb.

  13. Usefulness by inking · · Score: 1

    Nobody ever argued that this was not possible. The question is rather if it makes any sense.

    1. Re:Usefulness by Anonymous Coward · · Score: 0

      No, they proved the cynics wrong. You know, the cynics that said "it is not possible to build a negative emissions plant that can remove one household's worth of carbon from the atmosphere every year."

  14. If only there was some better way to do it by Hal_Porter · · Score: 2

    Some solar powered technology to take CO2 out of the atmosphere and turn it into a valuable building material.

    Even better it should be self replicating - it would produce seeds which, when planted, would grow into copies of itself.

    That way humans could plant the seeds in fertile soil to get the process going and then just leave it.

    Sigh. Such a shame such a technology doesn't exactly grow on trees...

    --
    echo -e 'global _start\n _start:\n mov eax, 2\n int 80h\n jmp _start' > a.asm; nasm a.asm -f elf; ld a.o -o a;
    1. Re:If only there was some better way to do it by Anonymous Coward · · Score: 0

      Sounds very water intensive.

    2. Re:If only there was some better way to do it by Anonymous Coward · · Score: 1

      Why is it when people talk about carbon sequestering they always talk about trees? The vast majority of carbon is sequestered by algae. Oil, coal, natural gas, most of this didn't come from dinosaurs or trees, it mostly came from algae. I guess algae isn't glamorous enough though.

    3. Re:If only there was some better way to do it by Anonymous Coward · · Score: 0

      Because I like Coral and all the other sea creatures that survive when we don't have suffocating algae concentrations. And why build a tube of algae when I can plant a tree and it does everything on it's own? All I have to do is not cut down the tree. It also gives me shade and cute squirrels and birds. Tubes of Algae don't do that for me.

    4. Re:If only there was some better way to do it by Anonymous Coward · · Score: 0

      what do you think the squirrels breathe?

    5. Re:If only there was some better way to do it by Anonymous Coward · · Score: 0

      Except that you have no say in the matter. The tree is a token gesture at best. If you pay attention to the news you hear about algae blooms suffocating out the Gulf of Mexico and such, killing scores of fish. You may prefer a tree (I do as well, they shade my house, keeping it cooler in the summer), but the algae is going to happen no matter what. Embrace the inevitable I say.

    6. Re:If only there was some better way to do it by Anonymous Coward · · Score: 1

      One would hope "Sarin"...

  15. xor768 by Anonymous Coward · · Score: 0

    On what the plant is powered?

    1. Re:xor768 by Anonymous Coward · · Score: 0

      it's geothermic, in other words, there is lots of underground vulcans and wannabe-vulcans all around iceland.

  16. 40 Trillion kg by Anonymous Coward · · Score: 0

    I call bullshit. Perhaps if you counted cyclical carbon as well (such as that which is exhaled by living creatures, emitted by volcanoes, and other natural cycles), but there's no way human activity is dumping that much ON TOP.

    1. Re:40 Trillion kg by Immerman · · Score: 1

      Actually, no, it really is. Humans consume roughly 5.67 × 10^20 joules of energy per year, most of it from fossil fuels. Fossil fuels contain about 15(cheap coal) to 55(natural gas) MJ/kg of energy, and are almost entirely carbon by mass.

      Call it 30MJ/kg on average. So we burn roughly (5.67×10^20 J) / (30*10^6 J/kg) = 2x10^13 kg of carbon per year. Or 20 trillion kg. Factor in the fact that CO2 is mostly oxygen (32g O vs. 12g C), and 20 trillion kg of Carbon translates to 20 * 44/12 = 73 trillion kg of CO2. Close enough for some very rough calculations.

      --
      --- Most topics have many sides worth arguing, allow me to take one opposite you.
  17. Indeed by Viol8 · · Score: 1, Interesting

    Unless they've found a seem of CaO nearby (which will still require fuel to be used to mine it) then it all seems a bit pointless. I suspect its true aim is to get venture capiltal to line some pockets and then after a few years they'll say "Oops, the maths doesn't work, but thanks for the money. First class to the climate conference in the Seychelles rocked!"

  18. Turning Coal into Electricity into Coal. by DalM · · Score: 1

    It was a 200 year process, but we are finally moving into remediation of the atmosphere. Thank god.

    1. Re:Turning Coal into Electricity into Coal. by Anonymous Coward · · Score: 0

      Thank fracking. That's what did in coal. Cheap natural gas for the next century.

  19. Whataboutism and CO2 by XXongo · · Score: 5, Insightful

    The biggest problem is that CO2 doesn't seem to be the big problem. In the past the earth had much higher CO2 values, and more plant life.

    Yes, and no. In the past, the Earth had much higher CO2 levels, and also much higher average temperatures and no ice caps. So, if you don't mind losing the parts of the current land area that are near the ocean, yes, we could have higher CO2 and higher temperatures.

    The "more plant life" you mention is speculative. Paleobotany doesn't give us a good measure of total plant biomass.

    Because of the low levels of CO2 today, we have and increasingly large areas on earth, were nothing grows anymore...

    No. Places where nothing grows are due to lack of water, not lack of CO2. Plants do need CO2, of course, but in very few places is it the main limitation to growth.

    They should invest more time in solving things like those plastic soup problems in the oceans, instead of wasting their time on the agenda of a group of corrupt global warming advocates...

    Ah, whataboutism! When one problem is brought up, say "what about XX?" to change the subject!

    No reason we can't address more than one different problem.

    1. Re:Whataboutism and CO2 by Bing+Tsher+E · · Score: 1, Interesting

      So, if you don't mind losing the parts of the current land area that are near the ocean,

      For the record, I don't mind. There will be unpleasant side-effects, of course, but as the people who don't mind decimating the economy of towns in the coal producing region must often rationalize "I don't live there."

      If AGW is inevitable, we may as well look at the positive side effects. Flush out all that urban decay and blight on the east and west coasts. Flood those parasitic people off the Florida peninsula and let the native flora and fauna thrive again.

      It's unfashionable to think this way, unless it's the right people being forced to change. Right?

    2. Re:Whataboutism and CO2 by DontBeAMoran · · Score: 2

      Fuck coal. How many jobs depend on coal? How many lives will continue to be affected if we keep digging and burning coal?

      --
      #DeleteFacebook
    3. Re:Whataboutism and CO2 by Anonymous Coward · · Score: 0

      So basically, cutting off the nose to spite the face?

      And you wonder why people make fun of people who chose to stay in the towns of coal producing region clinging to a dead economy.

    4. Re:Whataboutism and CO2 by Anonymous Coward · · Score: 0

      Sorry for posting AC. Lost my log-in, too lazy to ...

      >> The "more plant life" you mention is speculative. Paleobotany doesn't give us a good measure of total plant biomass.

      But we do know that mammals exploded. All those mammals gotta eat something. And if it was other animals, what were they eating? The evidence suggests that more CO2 made more water and more favorable conditions available to all life on land, but the opposite for life in the oceans.

      I'd go on, but I don't want to be accused of trying to address more than one problem. Also, lazy...

  20. Wouldn't this be our first... by Zurkeyon3733 · · Score: 1

    Atmospheric Processor? Isn't that a tool for terraforming? PRETTY NEAT! (50 tons is 50 tons... Its still cool)

    1. Re:Wouldn't this be our first... by Anonymous Coward · · Score: 0

      Yes, we need trillions of these things to soak up the crap that will be emitted by the Yellowstone supervolcano which will erupt any decade now.

  21. Why turn CO2 into stone? by cashman73 · · Score: 1

    Why are they turning CO2 into stone? Why not convert it into something useful, like ethanol?

    1. Re:Why turn CO2 into stone? by Anonymous Coward · · Score: 0

      Why not turn it into Gold? It's a lot more valuable. Or, how about Uranium to deal with the uranium shortage?

    2. Re:Why turn CO2 into stone? by Applehu+Akbar · · Score: 1

      Why are they turning CO2 into stone? Why not convert it into something useful, like ethanol?

      Because if you convert it into ethanol or into a tree, the path back to atmospheric carbon is a lot shorter.

    3. Re:Why turn CO2 into stone? by Anonymous Coward · · Score: 0

      so instead you convert a different piece of carbon to ethanol? a piece that's more difficult to obtain and requires machines that product emissions?

  22. CO2 in paleo times by XXongo · · Score: 5, Informative
    Actually, to find carbon dioxide levels higher than today you have to look back to the Miocene epoch, about 5.2 million years ago. There were not humans around then. During the following epoch, the Pliocene, carbon dioxide (and temperature) dropped, with the ice age cycle starting with an abrupt drop at the beginning the Pleistocene.

    If you want to see really high CO2, though, you want to go back to the Mesozoic era.

  23. Negative Emission Plant by Bing+Tsher+E · · Score: 1

    Also known as a tree.

    Didn't any of these people learn in grade school about how trees convert carbon dioxide back into oxygen?

    1. Re:Negative Emission Plant by Anonymous Coward · · Score: 0

      No they learned about which victim class they belong to, or if white-skinned, how horrible they are. Progressive brainwashing starts early.

    2. Re:Negative Emission Plant by Anonymous Coward · · Score: 0

      Oh my god! You're totally right! If we'd only have though of that elementary school model of the environment. That's the solution!

      If all these scientists just paid attention in elementary school we'd have flying cars by now!

      Your ignorance is showing:
      https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect

    3. Re:Negative Emission Plant by Anonymous Coward · · Score: 0

      You must be mistaking actual education with conservative "education". You know, the one where climate change is a Chinese liberal hoax, I am totally not a racist, but I think all PoC are inferior, your not right unless your white, skydaddy will fix everything, etc...

    4. Re:Negative Emission Plant by PPH · · Score: 1

      Until that tree dies, falls over and rots. Over time spans similar to trees' lifetimes, forests are carbon neutral. Except for the carbon removed by logging trucks.

      --
      Have gnu, will travel.
    5. Re:Negative Emission Plant by Anonymous Coward · · Score: 0

      Found the graduate of Progressive Heights elementary school. Good with the liberal propaganda, but not so much with the punctuation.

  24. Collection is one thing... by bobbied · · Score: 1

    Sequestration is quite another.

    We've been sucking C02 out of the air for a long long time to make dry ice and carbonated drinks and as a byproduct of capturing nitrogen and oxygen for industrial and medical use. It's easy to capture the stuff...

    The problem is long term storage. Where you going to stuff this stuff in Iceland?

    So bully on you sir for collecting CO2, but what now? How you going to make this actually work long term? Call me when you have an answer for that one.

    --
    "File to fit, pound to insert, paint to match" - Aircraft Maintenance 101
  25. so now we measure it in kilograms now? by Anonymous Coward · · Score: 0

    the article mentions the 40 trillion kilograms humans produce every year. Why not use grams? then we can freak out about 40 quadrillion grams of CO2 . quadrillion is lots more than trilion and waaaay more than the usual gigs tons quoted

    1. Re:so now we measure it in kilograms now? by Anonymous Coward · · Score: 0

      Is the long scale are short scale number system used to express trillion? I ask because up to the 70's an English 1 trillion was 1.000.000.000.000.000.000, while in the US it was only 1.000.000.000.000. Most languages still use the long scale system. In many articles that were translated from or to English, journalists don't even care to check if they made a translation error. Just a few weeks ago I read an article in Dutch about the "2 biljoen" Facebook users. 2 biljoen = 2.000.000.000.000 or 2 trillion, which is more Facebook users then all people that ever existed combined.
       
      I would not be surprised that many translated reports contain these kind of errors, especially with climate change reports that are picked up by green leaning journalist on one side or climate change skeptic journalists on the other side who completely have no understanding about what they talk about.

  26. So that’s what I saw! by Applehu+Akbar · · Score: 1

    When I visited Hellisheiði this spring, the capture device was under construction, but our guide did not know what it was. Apparently it uses the plant’s copious hydrogen sulfide emissions to convert atmospheric carbon to a stable mineral compound.

  27. NASA could save humanity by Anonymous Coward · · Score: 0

    With a bigger budget and some political will.
    How? by deploying shade in space, maybe above pole and equator.

    Effect? less sun = less heat. yup it's that simple. The obvious engineering challenge is deploying a thin and large material in space but IMO it's easier than going to the moon, nuclear fusion or (sadly) a world action for climate change, it seems.

    1. Re:NASA could save humanity by ChrisMaple · · Score: 1

      If it's thin, it's going to be a solar sail. Keeping it in orbit will be a problem. Keeping it from being shredded by debris and meteors will be a problem.

      --
      Contribute to civilization: ari.aynrand.org/donate
    2. Re:NASA could save humanity by catprog · · Score: 1

      If it is a solar sail then you get to make it orbit the sun and accelerate and decelerate to keep it in-between the sun and the earth.

      Only way you can keep it above the poles too.

      --
      My Transformation Website
      Kindle Books http://www.catprog.org/rev
      Interactive CYOA http://www.catprog.org/st
  28. Evolutionary time by sjbe · · Score: 1

    You do realise that our recorded, written history already goes back several millennia, right?

    In evolutionary terms that is a figurative blink of an eye for large animals like ourselves and the sort of ecosystems we can comfortably inhabit.

    And that modern humans were around into the hundreds of millennia...

    The ballpark consensus number is around 200,000 years from the first emergence of our species. Again in evolutionary time scales for non-microbes that is a short amount of time. We evidently nearly went extinct about 70,000 years ago thanks to a super-volcano eruption (Mt Tobo in Sumatra) and we only ventured out of Africa about 50-80K years ago.

    1. Re:Evolutionary time by Anonymous Coward · · Score: 0

      The story of migration from Africa is more complex than that, and may have either involved other species of humans or multiple waves of expansion. The timing for moving into SE Asia, the Pacific islands, and the Americas respectively have a couple issues. Humans get to some weird places for the hell of it, even in prehistory.

  29. not true by Anonymous Coward · · Score: 0

    Tks is only true when you totally ignore all that is required to build the plants, the mining of materials used in the process, the distribution of those materials, etc.

    Another Slashdot .... see you on Mars.

  30. 50? Source please... by Anonymous Coward · · Score: 0

    50? Source please...

  31. Net Zero by unixcorn · · Score: 1

    I get this is proof of concept but what was the cabon footprint to build the plant. In other words, at what point will the plant negate all the carbon released in order to build it? Can it ever recover enough before the mechanical bits wear out?

  32. The environment of 5.2M years ago habitable by drnb · · Score: 1

    Actually, to find carbon dioxide levels higher than today you have to look back to the Miocene epoch, about 5.2 million years ago. There were not humans around then.

    Homo Sapiens had not evolved yet but our Orrorin Tugenensis ancestors were alive and well.
    http://humanorigins.si.edu/evi...

    Its likely Homo Sapiens could survive as well. We are quite adaptable, as habitation in nearly every climate zone on the planet demonstrates. And now add modern technology.

    Now I'm not arguing returning to the climate of that epoch is advisable but lets not pretend its some sort of death sentence for Homo Sapiens. It would be a painful transition given the rapid onset of the changes but quite survivable as an adaptable intelligent species that is not locked into a particular environment niche.

    1. Re:The environment of 5.2M years ago habitable by XXongo · · Score: 1

      Oh, I'll agree with that. Carbon dioxide was nowhere near levels that would be dangerous for humans. It had a higher global temperature by a few degrees, but not dangerous to humans.

    2. Re:The environment of 5.2M years ago habitable by slack_justyb · · Score: 1

      I'm going to first say I applaud your comment, there's nothing in it that I disagree with. So what follows might sound like I'm being condescending to your comment, but I in full lock, stock, and barrel agree with what you've got there.

      lets not pretend its some sort of death sentence for Homo Sapiens

      Well, you are right. All of humanity is not likely to die in the event of ongoing global warming. However, I think it is fairly accurate to say that a LOT will die. First world nations will struggle maybe the poorest of those countries die, everyone else I think ranges from descent into utter chaos, war, and outright barbarism (so not unlike Syria right now) to complete desertion of some segment of land that used to be called a nation (Sort of like what the Maldives have planned).

      And now add modern technology

      Right, but as you might have noticed, not every place where there are humans is there technology and something tells me, push come to shove, first world nations will be more than happy to see the majority of the African continent die off, to name one massive victim of global environmental change. But that's just the cynic in me, who knows, our altruistic nature may be embolden by disaster? But something tells me that when a lot of countries start fighting over lack of food (because hunger is a real strong driving factor for war), the countries that have food but of questionable supply will more than likely do nothing unless the fight starts bleeding across their border.

      It would be a painful transition given the rapid onset of the changes

      I think you are underselling that. While we're really clever, we're not at the point where we can in wholesale genetically modify everything we eat to sustain the environmental changes that are happening. Now one day in the future the only things left alive may be the things we've GMO'ed to the new world (since evolution can't keep up with us) and the things that have figured a way to survive, and perhaps our bodies will change as well to be able to call those things that have changed nourishment, but dang if it ain't going to be a lot of painful in the interim. Oh as an aside, I really hope future humans decide that cats are important enough to GMO so that they can live in the increased heat and have reduced food requirements (since food will be human first, things that we can use as food second, more than likely no third), would be a shame to see them all go.

      quite survivable as an adaptable intelligent species that is not locked into a particular environment niche

      And I know I sound like a fear monger, but I like to think of it as one of those harsh truths that we need to talk about. That we can survive begs the question of do we want to survive like that? Should we survive like that? Wouldn't we rather survive in a manner that is a whole lot less shitty? I'm just saying, because honestly I'll be good and dead by the time this shit storm of a hurricane we're making comes full force onto land, so my opinion of what future Homo Sapiens might or might not, should or should not, will or will not want is really pointless. But I figure that they'd most likely want something that is a lot less difficult to live in than what we had, rather than more difficult. But that's just me.

      Now truth be told, we really don't know how "painful" this is going to be, but I think even those trying to keep the middle ground and be level headed about this can agree, no one is going to enjoy what is about to happen.

    3. Re:The environment of 5.2M years ago habitable by drnb · · Score: 1

      I expect that "painful" would likely be measured in the billions of lives. Let's hope science and engineering beat Malthus once again.

  33. Wal-Mart decimated coal towns by Anonymous Coward · · Score: 1

    You sound like a real fucking shithead, but I'll engage. Wal-Mart moved into coal communities, wiped out the mom and pops, siphoned local money, and when they were one of the last job providers, moved out. So, in your anger against coastal elites, you were actually fucked by a gang of heartland robber barons. How are going to address that, shitbag?

  34. Back to the stone age? by Anonymous Coward · · Score: 0

    "take CO2 in the air and convert the emissions into stone."
    We'll be fine as stone-based life forms.

  35. Didn't address point, as usual by Anonymous Coward · · Score: 0

    Shitbag, you didn't address the point of gp post, worthless.

  36. How much?! by DontBeAMoran · · Score: 1

    Although it's still at pilot scale -- capturing only 50 metric tons CO2 from the air each year, about the same emitted by a single U.S. household...

    Try asking that household to store those 50 metric tons of CO2 per year in the backyard. Even in brick form, they'd never agree and/or would run out of room pretty fast.

    --
    #DeleteFacebook
  37. Cowspiracy by easyTree · · Score: 1

    Netflix/other Cowspiracy

  38. Bringing atheism, socialism and homosexualism ... by Anonymous Coward · · Score: 2, Funny

    You think them "city folk" are going to sit on the coast and drown. No, they will migrate inland and contaminate the heartland with their "evil ways". Bringing atheism, socialism and homosexualism to the bible belt. ;-)

  39. Another brilliant post by Anonymous Coward · · Score: 0

    Keep them coming shitbag. Reduced arable landmass shouldn't affect how many trees we can grow, right?

  40. Humans are not locked into one ecological niche by drnb · · Score: 1

    In the past the earth had much higher CO2 values, and more plant life.

    And no humans

    There were ancestral species not so different from us. We would likely survive. We are after all an intelligent adaptable species that learned to survive in nearly every climate zone on the planet with only quite primate technology. It would be a painful transition but likely survivable, we are not locked into one ecological niche like many species. And then there is modern technology.

    Before anyone gets all apoplectic. I'm not advocating we go down that path. I like the earth as it is. I'd like to avoid the death of billions that the "transition" would likely cause. But lets not pretend the environment of 5-6 million years ago is not survivable by modern humans.

    1. Re:Humans are not locked into one ecological niche by omnichad · · Score: 1

      I never said it wasn't survivable, just that we are an ice age species. I'm rather fond of most of the plant and animal life we use for food, too. And that selection might get too expensive to maintain.

  41. Permafrost Farming by Tenebrousedge · · Score: 3, Informative

    We've covered the permafrost issue here repeatedly. No, it does not melt into rich farmland. Most often, it melts into a bog: for an example see the entire North Slope. It would be easier to farm the Sahara.

    --
    Those who advocate genocide deserve every protection afforded by law, and none afforded by common human decency.
  42. Destroy it! by Anonymous Coward · · Score: 0

    More commie scum filling our heads with lies! Shut this thing down Mr. President and MAGA!!!!!!!

  43. Why not pipe CO2 from plants into a greenhouse? by Eravnrekaree · · Score: 1

    We do have fairly affordable CO2 collectors, plants. Idea: Why not pipe the CO2 from coal and gas plants into a sealed greenhouse with fast growing plants inside. The CO2 will make the plants grow faster and will absorb the CO2. Maybe then every so often the plant matter in some way can be compressed, bricked and stored. Or the plants can be fed back into the plant, burned, and the CO2 recaptured and piped back into the greenhouse to grow more plants and the cycle can repeat, a closed CO2 cycle.

  44. Fracking, really great by Anonymous Coward · · Score: 0

    Fracking's one redeeming quality is that puts stupid people to work, but in the end that isn't worth the damage to the water table or the seismic instabilities. Same people could be better employed building things or even environmental remediation, but this would be too smart and thus it can't be allowed to happen.

  45. Too bad we have to fix our screw ups! by Anonymous Coward · · Score: 0

    Brilliant!! We cut down all the trees, then make machines to remove the CO2...

  46. Now we gotta work harder... by Anonymous Coward · · Score: 0

    We need to build more coal plants and run more cars to make up for the losses caused by this new tech.

  47. Don't worry about runaway by XXongo · · Score: 2

    The point of there having been higher CO2 concentration in the past is that there was no "runaway feedback" (which is one of the many spurious, specious, doomy claims of the Klimate Kultists).

    I haven't heard that claim. I certainly haven't heard it from actual scientists, who are quite aware of paleoclimate-- in fact, modeling the ice ages was one of the original things that led to understanding the effect of carbon dioxide on climate in the first place.

    There are some positive feedback effects, but none that really get into the "runaway feedback" range.

    Now mod this post down and commence the personal attacks!

    I'd mod you down as "-1, specious straw-man claim with no citation" if there were such a mod category.

    yourlogicalfallacyis.com/strawman

  48. Re:"40 trillion kg of carbon dioxide humans produc by Anonymous Coward · · Score: 0

    The number sounds about right, but we *do* need to worry, because that CO2 doesn't really go away.

    The problem is that we're a small, fast imbalance in a *very* slow process. Normally the ecological carbon cycle is very stable - geologic carbon is slowly released into the ecological cycle through a variety of processes, and ecological carbon is converted back into stone at approximately the same rate. Both being a small fraction of the rate at which carbon moves around the ecological cycle (~1% as I recall). And since they're approximately equal, the total amount of ecological carbon remains roughly constant.

      Burning fossil fuels greatly increases the rate at which geological carbon is released into the ecological cycle - something like 5-10x as quickly I think it is, which causes carbon to build up in the ecological cycle - since the ecological carbon cycle doesn't sequester it any faster as concentration increases. The oceans get more acidic, the atmosphere becomes more CO2 rich, and global biomass may increase (though humanity is doing a pretty good job of preventing that through other means)

    At present, our contributions have roughly doubled the atmospheric CO2 levels since the beginning of the industrial revolution. And that's a problem as it's been estimated that for every watt of power produced from fossil fuels, the CO2 released will capture an average of about 1 Megawatt of additional solar energy in the decades it spends in the atmosphere. It's a slow heating process that took decades to be certain it was happening, but it can't just be stopped either. Completely stop all geologic carbon emissions today, and it will still take several decades before atmospheric CO2 levels return to pre-industrial levels. Meanwhile the warming has already begun thawing the icecaps, reducing the planet's reflectivity and causing additional warming - and it's not at all clear that simply revering to pre-industrial levels will reverse that - we may have to go even lower to cool the planet off enough to refreeze the icecaps.

  49. not enough; temporary by bussdriver · · Score: 1

    Because plants only hold on to the CO2 for a short time period and then it ends up back out again. The CO2 we ADDED was outside the loop for a very long time until we released it at an extremely fast unnatural rate.

    Storing it in plants that are not going to be stored underground for a million years is pointless unless you drastically increase the biomass to consume all that CO2 in a larger ecosystem. Which is even more unrealistic as humans continue to kill off everything and replace it with humans, deserts, corn, and farting cows.

    We have plenty of food - we do not need to grow more, it's GMO propaganda making you think we need more production to feed the poor. Well, we don't have enough cows... for our demand but we have way more than is responsible.

    1. Re:not enough; temporary by catprog · · Score: 1

      Also we are breaking part of the loop.

      Cutting down plants and not replacing them.

      --
      My Transformation Website
      Kindle Books http://www.catprog.org/rev
      Interactive CYOA http://www.catprog.org/st
  50. less than 300 lbs/day by HiThere · · Score: 1

    That sounds more like lab scale than pilot plant.

    Additionally, this won't be acceptable unless the stone can be sold at a profit. That doesn't look feasible without lots of government subsidies on a permanent basis (possibly as carbon offsets, but some kind of subsidy).

    I think the oceanic algae farms are much more plausible. This story counts more as "interesting". And note that it depends on a local source of excess energy. (Geothermal in Iceland, but nuclear could also work. So could wind or solar. But it seems more of a dump for excess energy than something that would be practical on a large scale, even if the result could be sold for more than the cost of hauling it away....and the stone they described didn't sound very strong, so you probably couldn't.)

    There's also the question of how much CO2 would be produced in the process of getting the materials used as a base to the plant. It's not like they're converting CO2 into diamonds, they're mixing it with something...and often that something is made by removing CO2 from a naturally occurring compound, They aren't starting with something simple like gypsum, though, so the process chain would need to be evaluated.

    Off hand, what this is is some scientists in a lab discovered some process, and then someone at the lab looked for a way to write it up as something newsworthy.

    --

    I think we've pushed this "anyone can grow up to be president" thing too far.
  51. At first... by theendlessnow · · Score: 1

    At first I thought it was extracting the carbon and making it into coal, which of course could be used for fuel.

  52. how to do it by Anonymous Coward · · Score: 0

    The best way to get rid of CO_2 is to compress it into gas cylinders and put them on rocket ships to the sun.

    1. Re:how to do it by ChrisMaple · · Score: 1

      It's really nice having oxygen around, and 73% of the mass of CO2 is oxygen. Those cylinders aren't going to be light. It's going to take a lot of energy to rocket those cylinders into the sun, and in the process of making suitable fuel we'll make a lot of CO2. Lose - lose.

      --
      Contribute to civilization: ari.aynrand.org/donate
  53. Is Hawking a real scientist? by Anonymous Coward · · Score: 0

    Is Hawking a real scientist?

    https://www.seeker.com/space/planets/stephen-hawking-says-earth-could-become-a-hothouse-planet-like-venus

    1. Re:Is Hawking a real scientist? by Anonymous Coward · · Score: 0

      And did you read what he said?
      No. You heard about it from the denier echo chamber and were told what to think. And you thought as you were ordered to.

  54. A cheaper way to cut the 40 tn tons of CO2. by Anonymous Coward · · Score: 0

    STOP BURNING SO MUCH OF IT!!!

    Crying out loud, complaints about how it's too expensive to stop it, but here we go, trying to suck it out of the atmosphere faster than we put it back out again.

  55. Effects are logarithmic by Anonymous Coward · · Score: 0

    So, no it's not like 10 mph vs 12,500 mph, it more like 10 mph vs 11 mph.

  56. Awesome! by Chas · · Score: 1

    This is EXACTLY the type of technology we should be looking SERIOUSLY at, a opposed to running around like a headless Chicken Little, screaming "HOTTEST *INSERT EVENT* EVARRRRRR!"

    --


    Chas - The one, the only.
    THANK GOD!!!
  57. Old news, Slashdot. How typical. by Anonymous Coward · · Score: 0

    World's First 'Negative Emissions' Plant Has Begun Operation
    Old News!! This happened back on January 20th, 2017. I recall quite clearly, not that many people showed up.

    We're talking about the White House, aren't we?

    Sad.

  58. Will Local CO2 Deplete by tmjva · · Score: 1

    Imagine a scenario where all the CO2 in the local area becomes depleted, then someone lights a cigarette.

    It won't be one of those 7 minute cigarettes!

    --
    Tracy Johnson
    Old fashioned text games hosted below:
    http://empire.openmpe.com/
    BT
  59. Why? by Anonymous Coward · · Score: 0

    At this point it's idiotic to pull out free atmospheric CO2 for simple sequestration, it's FAR more cost/energy effective to remove the current sources (fossil power plants, ICE vehicles, etc). Its like trying to clean up a contaminated lake with a little solar powered pump that removes a teaspoon of toxins a day while watching semi trucks full of additional toxins dumped into the same lake each day. Unless it literally costs $0 extra to add this to a plant it would be far more effective to simply subsidize the purchase of an equivalent number of EVs and the electrical generation infrastructure to charge them.

  60. The trees are like by TheOuterLinux · · Score: 1

    "What the hell man?! We gotta eat too..." Besides, running that 24/7 may cause jet streams to be pulled towards that factory. It would be funny if it stormed there all the time.

  61. As shucks by Anonymous Coward · · Score: 0

    Aw shucks pardner, you may have a point there. Oh wait you actually don't. They said carbon negative, which means they are claiming that the system sequesters more carbon than it consumes.