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Bill Gates Funds Seawater-Spraying Cloud Machines

lucidkoan writes "Environmentalists have long argued about whether geoengineering (using technology to alter the climate) is a good way to tackle climate change. But the tactic has some heavy hitters on its side, including Bill Gates. The Microsoft founder recently announced plans to invest $300,000 into research for machines that suck up seawater and spray it into the air, seeding white clouds that reflect rays of sunlight away from Earth. The machines, developed by a San Francisco-based research group called Silver Lining, turn seawater into tiny particles that can be shot up over 3,000 feet in the air. The particles increase the density of clouds by increasing the amount of nuclei contained within."

9 of 403 comments (clear)

  1. Re:What could by Chris+Burke · · Score: 3, Informative

    OK, let's ignore for a moment the fact that water vapor is a greenhouse gas responsible for up to 76% of the greenhouse effect (as opposed to CO2 which is responsible for 1/3) of that.

    Water vapor traps in a lot of heat on the earth, but water vapor in the form of clouds reflects a lot of energy; raising albedo by seeding clouds for a net loss of heat could actually work. Better yet the amount of water vapor in the air is naturally regulated, so excess water vapor and clouds are not so difficult to remove as CO2.

    Let's also ignore the magical energy source required to pump all this water into the air.

    Clean Coal, with the magic of Mr. Clean! =D

    What could possibly go wrong? Where can I buy stock? /sarcasm

    Yeah, cus Bill Gates has never been wrong before! Wait, what was that about a chasm? Yaaaaaaaah!

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  2. Re:What could by WindBourne · · Score: 5, Informative

    How were you modded insightful? The simple fact is, that the h20 is not the issue. It goes up, it comes down. In addition, when water is in the form of CLOUDS, it COOLS the planet. It is when it has a high vapor, but not enough to form clouds, that you get warming. OTH, the CO2 is an issue because it stays around and around and around. As such, a VERY small amount goes a long ways. So, the global warming issue is just garbage.

    I will say that there are OTHER possible side effects, for example, the clouds WILL block sun from getting to the crops, so there will be less food. And I am sure that there are other ones that are not thought about.

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  3. Re:Isn't water vapor... by bunratty · · Score: 5, Informative

    Yes, water vapor is a greenhouse gas. But putting more water vapor in the atmosphere will not contribute to global warming, because any excess water vapor put into the atmosphere precipitates out as rain, snow, or dew within about a week. In other words, water vapor is not a forcing.

    Excess carbon dioxide, on the other hand, can remain in the atmosphere for hundreds of years. That's why burning fossil fuels has the effect of increasing the concentration of carbon dioxide in the atmosphere, leading to warming.

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  4. Re:What could by Dunbal · · Score: 5, Informative

    Because last time I checked, when I stuck my tongue out when it rained, I didn't taste any salt at all, and I am 99.9% sure that the rainwater I drank used to be in the salty seas not too long before. Just because it seems to fulfil symbolic logic doesn't mean it's true.

          You obviously have never lived near the ocean. The rain isn't "salty" enough to be tasted, but there is salt in the air. Anything that can be corroded will be corroded faster near a body of salt water.

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  5. Re:What could by Shadow+of+Eternity · · Score: 4, Informative

    The rainwater you drink is condensed water that evaporated naturally. Unless they forgot to mention a filtering step they're talking about shoving atomized saltwater directly into the air.

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  6. Re:Is this a joke? by Bamfarooni · · Score: 4, Informative

    Fortunately, they're not suggesting that increased evaporation is the important part. It's an increase in cloud cover.

  7. Re:What could by pseudofrog · · Score: 4, Informative

    If you'd put down the Ayn Rand book for a minute, you'd really that your statement is absurd.

    Wars? Civil rights? International relations? Law enforcement? Disaster rescue?

  8. Re:What could by GreatBunzinni · · Score: 4, Informative

    You, sadly, don't know what you are talking about. The air on areas which are adjacent to the ocean has a high concentration of chlorides which, if not designed with this in mind, can get reinforced concrete structures to completely corrode and crumble in a span of 3 to 5 years. The high concentration of chlorides in the air vary according to multiple parameters, including the topology and some papers have been written that show that high chloride concentrations can be found in areas which are up to 10m above sea level, which means that in some flat areas such as river deltas and flood plains you can find concentrations of chloride a couple of km inland which are practically as high as right in the beach.

    But never mind that. Just stick your tongue out, lick the funny rain and let the truthyness of that guide your reasoning. After all, who the hell needs those idiot scientists who have proven multiple times the exact opposite of what you claim?

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  9. Re:Bill Gates misunderstands by amirulbahr · · Score: 5, Informative

    No. It will be down moderated because it is a moronic post, and it uses way to many words to convey the BS.

    The Yellowstone Caldera will take many years, probably hundreds of smaller eruptions before any major super-volcanic eruption. Your statement that it is 40 thousand years overdue is not based on any reasoning and no geologist would agree with you.

    Global warming is real. It is caused by humans contributing shit-loads of Carbon to the atmosphere. It will have consequences on the human race. There is probably a tipping point where the changes in the planet will be dramatic.

    p.s. It serves me in no way to be taking this position other than the fact that I kind of give a shit about the future of our species.