Geologists identify two methane-emitting strips hundreds of miles long in Siberia

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Surface temperatures during the heat wave in 2020 soared to 10.8 degrees Fahrenheit above the 1979-2000 norms. In the long stripes, there is hardly any soil, and vegetation is scarce, the study says. So the limestone crops out of the surface. As the rock formations warm up, cracks and pockets opened up, releasing methane that had been trapped inside.

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