Three things you should know about permafrost

T1Covered by 1 source · first reported by MIT Technology Review at 22 Oct, 10:00 UTC

How much do you know about permafrost? Maybe, like me, you’ve been aware that this layer of frozen soil is thawing, that it’s important in the global puzzle of climate change … and that’s about the extent of it. The great news for both of us is that my colleague James Temple just published two…