Weathered: Earth’s Extremes

Is Permafrost the Climate Tipping Point of No Return? (3x12)

Air date: Feb 14, 2023

Arctic air is warming, causing scientists to worry that melting arctic ice and snow could also lead to a sudden permafrost thaw and release of carbon dioxide (CO2) and methane (CH4) that forms a climate tipping point or feedback loop. And the trigger temperature may be coming much sooner than expected.