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The EPA starts targeting carbon dioxide in earnest

May 27, 2014
The Obama Administration readies its regulation of carbon-dioxide emissions.

In regulating carbon pollution, the price put on it matters

Jun 24, 2013
Governments and businesses estimate a Social Cost of Carbon, the cost of damage caused by a ton of carbon emissions.

U.S. carbon emissions hit a 20-year low

Aug 16, 2012
A hint of optimism about climate change.