Roundup: CO2 Rules, Maps, Eroding Arctic - Dot Earth Blog - NYTimes.com
Where to start. This week saw the Environmental Protection Agency give definitive signs it was moving to regulate new sources of CO2, the gas contained in the bubbles in beer. So far, all of the criteria air pollutants under the agency’s purview — substances from lead to sulfur dioxide — have a direct impact on human health and welfare, while risks from the carbon dioxide’s buildup remain indirect, through the rising influence on climate. Can the agency avoid years, if not decades, of litigation over details not dealt with in the Supreme Court decision on carbon dioxide? Stay tuned.
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