Scientists feared unstoppable emissions from melting permafrost. They may have already started.

Click Here to Read: Scientists feared unstoppable emissions from melting permafrost. They may have already started The Arctic is a ticking time bomb that’s close to going off.by Brian Resnick on the Vox Website on December 12, 2019.
Image: Brocken Inaglory  The image was taken in High w:Arctic from a helicopter. It shows the crack pattern in w:permafrost. Public Domain via Wikimedia Commons.