Worldwatch calls for Halt of all carbon emissions by 2050

The Worldwatch Institute reported that world carbon emissions will have to drop to near zero by 2050 to avoid the most catastrophic effects of climate change.

This is a deeper cut than called for by most climate experts and policymakers, including President-elect Barack Obama, who favors an 80 percent drop in U.S. carbon emissions by mid-century.

Global mean temperature has already risen 0.8 degrees C (1.4 F) since 1850, so limiting carbon emissions will aims to keep global mean temperature from rising more than 2 degrees C (3.6 degrees F) over what it was before the Industrial Revolution.

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Source: Reuters