Earth, Ice, Bone, BloodExploring one of the greatest potential contributors to climate changethawing permafrostand the anxiety of extinction on an increasingly hostile planet Climate scientists point to permafrost as a ticking time bomb for the planet, and from the Arctic, apocalyptic narratives proliferate on the devastating effects permafrost thaw poses to human survival. In Earth, Ice, Bone, Blood, Charlotte Wrigley considers how permafrostand its disappearanceredefines