The Arctic is releasing a shocking amount of greenhouse gases in “abrupt thaw” of permafrost regions

This is the best tl;dr I could make, original reduced by 93%. (I'm a bot) David Lawrence, a senior scientist at the National Center for Atmospheric Research in Boulder, Colorado, said that-until now- thawing permafrost had been expected to amplify human-caused climate change by about 10 percent. via Pocket https://ift.tt/376r3QC