Arctic permafrost releases more carbon dioxide than once believed

Arctic permafrost releases more carbon dioxide than once believed

Arctic permafrost releases more carbon dioxide than once believed

Rising global temperatures are causing frozen Arctic soil— permafrost—in the northern hemisphere to thaw and release CO2 that has been stored within it for thousands of years. The amount of carbon stored in permafrost is estimated to be four times greater than the combined amount of CO2 emitted by modern humans.
Arctic permafrost releases more carbon dioxide than once believed