A collapsed block of ice-rich permafrost along Drew Point, Alaska. Coastal bluffs in this region can erode 20 meters/year (~65 feet). USGS scientists continually research the causes of major permafrost thaw and bluff retreat along the Arctic coast of Alaska. In addition, with the loss of sea ice to protect the beaches from ocean waves, salt water inundates the coastal habitats. Benjamin Jones/USGS. Public domain.

Protecting Permafrost: Addressing the climate threat of Arctic thaw

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Permafrost carbon program

Ian Graham

A report assessing the climate threat of Arctic permafrost thaw, potential interventions to address it, and related policy recommendations.

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