Changing weather has brought avalanches to Longyearbyen in Svalbard. But the small Arctic community is fighting the onslaught by relocating large parts of their town.
Regional authorities in the Yamal Nenets region are aware of the potential devastating consequences of climate change, but say necessary measures are taken.
Even with decades of technological advances, 15 remote radars across Alaska are still the military's primary way to monitor airspace over huge swaths of the continent. But now their core mission is threatened by climate change.
