EMISSIONS TRADING - Science News

In the February 25 Issue:

EMISSIONS TRADING

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View larger version. | This figure, to appear online the week of March 8 in the Proceedings of the National Academy of Sciences, traces the movement of these “outsourced” carbon dioxide emissions. The thicker the arrow, the larger the flow of emissions; numbers denote the mass of carbon dioxide transferred each year in millions of metric tons. Credit: Davis and Caldeira

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