tweet: Massive permafrost thaw documented in Canada, portends huge carbon release https://t.co/3aMXSkNMBS

Massive permafrost thaw documented in Canada, portends huge carbon releasehttps://t.co/3aMXSkNMBS

— Kevin Goldsmith (@KevinGoldsmith) March 2, 2017

from Twitter https://twitter.com/KevinGoldsmith

March 02, 2017 at 08:25AM