There was an article/graph I came across a few months ago, showing how much we need to reduce CO2 output to return to Kyoto levels (I think), and how much reduction there would be if we all switched to CFLs, if we replaced all the cars in the U.S. with Prius hybrids, if we replaced major power plants in the U.S. and China with nuclear power. I think the main idea was that there is already so much CO2 that even a drastic change in policy will not be enough.
If you remember where I can find this graph, please let me know. Thanks.
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