E.P.A. Clears Way for Greenhouse Gas Rules
Published: April 17, 2009
WASHINGTON — The Environmental Protection Agency on Friday formally declared carbon dioxide and five other heat-trapping gases to be pollutants that endanger public health and welfare, setting in motion a process that will lead to the regulation of the gases for the first time in the United States. <a href="http://www.nytimes.com/2009/04/18/science/earth/18endanger.html?_r=1">http://www.nytimes.com/2009/04/18/science/earth/18endanger.html?_r=1</a>
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