is the permafrost melting in alaska
The chilling science on Alaskaâs melting permafrost. Up to a quarter of the permafrost that lies just under the ground surface in Alaska could thaw by the end of the century, releasing long-trapped carbon that could make its way into the atmosphere and exacerbate global warming, a new study finds. 1  Polygonal lakes created by melting permafrost on Alaskaâs North Slope.NASA.