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January 28th, 2011:

Climate Benefits of Natural Gas May Be Overstated

American Energy Coalition - January 28th, 2011

The United States is poised to bet its energy future on natural gas as a clean, plentiful fuel that can supplant coal and oil. But new research by the U.S. Environmental Protection Agency--and a growing understanding of the pollution associated with the full "life cycle" of gas production--is casting doubt on the assumption that natural gas offers a quick and easy solution to climate change.

Advocates for natural gas routinely assert that it produces 50 percent less greenhouse gases than coal and is a significant step toward a greener energy future. But those assumptions are based on emissions from the tailpipe or smokestack and don't account for the methane and other pollution emitted when gas is extracted and piped to power plants and other customers. The EPA's new analysis doubles its previous estimates for the amount of methane gas that leaks from loose pipe fittings and is vented from gas wells, drastically changing the picture of the nation's emissions that the agency painted as recently as April.

(Read the Scientific American article)

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