This storyoriginally appeared on CityLaband is part of theClimate Deskcollaboration. In Russia, buildings are sagging and crumbling. In Greenland, a wildfire broke out last year. And in Alaska, entire villages may be relocated because the land upon which they’re built is no long trustworthy. All across the North, the very ground is changing, and the buildings and roads built upon the thawing permafrost are shifting and cracking.