Robert Howarth

A Cessna plane, making continuous observations of carbon dioxide, flying over an Atmospheric Radiation Measurement tower used by the Energy Department near the town of Lamont, Oklahoma. (AP Photo/Roy Kaltschmidt, Lawrence Berkeley National Laboratory.)

Study: US spewing 50% more methane than EPA says

WASHINGTON (AP) — The United States is spewing 50 percent more methane — a potent heat-trapping gas — than the federal government estimates, a new comprehensive scientific study says. Much of it is coming from […]

11/25/2013

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