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Slow-freezing Alaska soil driving surge in carbon dioxide emissions

alaska's tundra
The soil of Alaska’s tundra are taking longer to freeze over than in past decades. Photograph: Andrew Burton/Getty Images

Northern tundra’s autumn carbon dioxide emissions increased 70% between 1975 and 2015, researchers find, blaming warming temperatures

May 8, 2017 — Alaska’s soils are taking far longer to freeze over as winter approaches than in previous decades, resulting in a surge in carbon dioxide emissions that could portend a much faster rate of Continue reading Slow-freezing Alaska soil driving surge in carbon dioxide emissions