The carbon-rich permafrost warmed “in all permafrost zones on Earth” from 2007 to 2016, according to a new study. Most ominously, Siberian permafrost at depths of up to 30 feet warmed a remarkable 1.6°F (0.9°C) in those 10 years, the researchers found. The permafrost, or tundra, is soil that stays below freezing (32°F) for at least […]
