It's not enough to bash in heads, you have to bash in minds
            

Arctic and American Methane in Context

Real Climate gives the recent methane news some proper context. The bottom line is that since methane is a short lived GHG it would take a very sudden and very massive release of methane for it to have a large effect on the climate. And that is unlikely.

Methane is a short-lived gas in the atmosphere, so to make it rise, the emission flux has to continually increase. This is in contrast to CO2, which accumulates in the atmosphere / ocean system, meaning that steady (non-rising) emissions still lead to a rising atmospheric concentration…

The Siberian Arctic, and the Americans, each emit a few percent of global emissions. Significant, but not bombs, more like large firecrackers.

Read the whole thing for an abundance of detail.

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