methaneus

NASA confirms US’s 2,500-square-mile methane cloud

Floating over the US Southwest is a cloud of methane the size of Delaware, writes Mike G – reflecting the release of almost 600,000 tonnes of the powerful greenhouse gas every year. Its origins? Coalbed gas production, fracking and horizontal drilling.

The hot spot happens to be above New Mexico’s San Juan Basin, the most productive coalbed methane basin in North America.

When NASA researchers first saw data indicating a massive cloud of methane floating over the American Southwest, they found it so incredible that they dismissed it as an instrument error.

But as they continued analyzing data from the European Space Agency’s Scanning Imaging Absorption Spectrometer for Atmospheric Chartography instrument from 2002 to 2012, the ‘atmospheric hot spot’ kept appearing.

The team at NASA was finally able to take a closer look, and have now concluded that there is in fact a 2,500-square-mile cloud of methane – roughly the size of Delaware – floating over the Four Corners region, where the borders of Arizona, Colorado, New Mexico, and Utah all intersect.

This discovery follows the Intergovernmental Panel on Climate Change’s new estimates of methane’s ‘global warming potential’ (GWP): 34 over 100 years, and 86 over 20 years. That number reflects how much more powerful methane is than CO2…more

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