February 22, 2013
Permafrost: Are We at Tipping Point?
Michael Lemonick, Climate Central
Nearly a quarter of the Northern Hemisphere’s land surface is covered in permanently frozen soil, or permafrost, which is filled with carbon-rich plant debris — enough to double the amount of heat-trapping carbon in the atmosphere if the permafrost all melted and the organic matter decomposed.
TAGGED: Alaska, Rose Cory, Siberia, Anton Vaks, carbon emissions, permafrost