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Methane Levels Spiked Last Year: Study

Law360 (October 30, 2008, 12:00 AM EDT) -- Earth's atmosphere contains dramatically more methane, a gas with 25 times the heat-trapping ability of carbon dioxide, than it did a year ago, a study funded by NASA has found.

The sharp spike in methane levels, by 10 parts per billion over the course of a year, came after a decade in which levels of the gas were essentially stable, the research found.

In a surprising development, the growth occurred almost simultaneously all over the world, even though the majority of methane emissions are in the...
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