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Nature 446, 114-115 (8 March 2007) | doi:10.1038/446114a; Published online 7 March 2007
Western states launch carbon scheme
Emma Marris
If the federal government doesn't get its act together on carbon trading, individual US states will come together to decide policy instead. That was the clear message when the governors of five western states — Washington, Oregon, California, Arizona and New Mexico — signed an agreement on 26 February to create their own carbon cap-and-trade programme.
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