Methane Across the Country

Methane is created naturally near the Earth's surface, primarily by microorganisms by the process of methanogenesis. It is carried into the stratosphere by rising air in the tropics. Methane is a potent greenhouse gas, stronger than carbon dioxide on a 20-year timescale, according to the Intergovernmental Panel on Climate Change, though on a century timescale, carbon dioxide is far stronger. "This research suggests significant benefits to slowing climate change could result from reducing industrial methane emissions in parallel with efforts on carbon dioxide," said Ira Leifer, a researcher with UC Santa Barbara's Marine Science Institute. Doing a a cross-continent drive, a UC Santa Barbara scientist has found that methane emissions across large parts of the U.S. are higher than is currently known, confirming what other more local studies have found. Their research is published in the journal Atmospheric Environment.
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