For all the whining and complaining about how the US should have joined the Kyoto accord, it's very easy to see that China is the #1 offender, and that Europe is not doing so hot itself.
The Kyoto Protocol addresses Greenhouse Gases, of which NOx is only a small player. NOx is primarily a local problem (it has a short atmospheric lifetime), and has been controlled in much of the developed world for the benefit of the local population.
As far as pollutants with global effects, e.g. CO2, the US is by far the dirtiest, emitting 1/4 of the world's Greenhouse Gases. That's right, 1/4 of the responsibility for climate change from 1/20 of the worlds population.
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The Kyoto Protocol addresses Greenhouse Gases, of which NOx is only a small player. NOx is primarily a local problem (it has a short atmospheric lifetime), and has been controlled in much of the developed world for the benefit of the local population.
As far as pollutants with global effects, e.g. CO2, the US is by far the dirtiest, emitting 1/4 of the world's Greenhouse Gases. That's right, 1/4 of the responsibility for climate change from 1/20 of the worlds population.