Left: Crumbling blocks of permafrost along the Beaufort Coast ... trapped in the ice (Photo courtesy of Miriam Jones, USGS). Photos courtesy of Miriam Jones and USGS.

By the looks of it, you wouldn’t have said this foal had been buried more than a few weeks, it was that perfectly preserved.

“We're in that period of time now,” she said, “where the changes are so erratic and so extreme, there's a good chance your sites will either be burned, actively on fire or flooded because the ...