Left: Crumbling blocks of permafrost along the Beaufort Coast, Alaska (Photo courtesy of USGS). Right: Methane bubbles trapped in thermokarst lake ice ... in the formerly frozen ground is consumed ...

If not oxidized by methane-oxidizing bacteria (MOB), this can potentially lead to high episodic CH₄ emissions at icemelt. To understand the fate of CH₄ trapped below ice, we measured ...

Ground is collapsing and massive lakes are draining in a matter of days. Thawing permafrost is having profound effects on the ...