Overall, thermokarst lakes are estimated to emit 3.8 teragrams of methane each year. Increasing annual methane emissions by up to 63%. And what if all of Earth's permafrost thawed?

It’s not a pure thermokarst lake, though some thermokarst appears to be forming around the lake’s expanding edges, tipping shoreline trees as the ice in the permafrost melts and the ground ...

Their goal was to understand the critical role of Thermokarst lakes in the carbon cycle, particularly in permafrost thawing.

Methane bubbles up from the thawed permafrost at the bottom of the thermokarst lake. Katey Walter Anthony/ University of Alaska Fairbanks. Researchers used measurements from 11 thermokarst lakes ...

It’s not a pure thermokarst lake, though some thermokarst appears to be forming around the lake’s expanding edges, tipping shoreline trees as the ice in the permafrost melts and the ground ...

a, Yedoma with massive Pleistocene ice wedges.b, Thermokarst-lake expansion (thaw bulb shown in yellow; thaw boundary shown as a dotted line) accompanied by Pleistocene-aged CH 4 emissions and ...

It’s not a pure thermokarst lake, though some thermokarst appears to be forming around the lake’s expanding edges, tipping shoreline trees as the ice in the permafrost melts and the ground ...

The first time Katey Walter Anthony saw Esieh Lake in the western Brooks Range, she was afraid it might explode. Across the Arctic, lakes are leaking dangerous greenhouse gases.

Right: Methane bubbles trapped in thermokarst lake ice. When ice-rich permafrost thaws, former tundra and forest turns into a thermokarst lake as the ground subsides.

Katey Walter Anthony has studied some 300 lakes across the tundras of the Arctic. But sitting on the mucky shore of her latest discovery, the Arctic expert said she'd never seen a lake like this one.