A look at Siberia’s methane-emitting craters, amid pledge to cut global methane emissions at COP26 | South China Morning Post

Crater C17 is one of 17 craters found in Russia’s Yamalo-Nenets autonomous region in northern Siberia. A leading theory to how the craters formed is that they emerged from melted permafrost due to global warming. Bubbles of methane and other gases pushed their way up, forming these major methane-emitting craters. Th…

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