Sam Edmonds, an Antarctic tour guide and photographer, took these images from a helicopter along the Eastern coastline between Cape Adare and the Cooperation Sea during summer. The continent’s vastness and the scale of the climate challenge it faces is palpable from up above. Across both polar regions, ice cover has become an important way to measure the impact of global warming, and the risk and logistical complications of operating aircraft around the Antarctic mean that perspective is both rare and valuable