Don’t Look Down
Grist
APRIL 20, 2022
Sometimes, only a thin layer of soil covers yawning craters where the ice has vanished, what Hasson calls “ghost ice wedges.” Combined with a $40,000 laser he dragged behind him on a plastic sled he’d nicknamed “The Coffin,” Hasson is able to link surface methane emissions to the ice disappearing underground. Sean McDermott / Grist.
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