Stunning images show Arctic glaciers’ dramatic retreat

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has partnered with CNN to drive awareness and education around key sustainability issues and to inspire positive action. Swedish photographer Christian Aslund is riding a small boat along the coast of Spitsbergen, an island in the Norwegian archipelago of Svalbard. Here, deep into the Arctic Circle and midway between Norway and the north pole, he is investigating the health of the glaciers, by comparing them to what they looked like in archival photos. He takes a picture, trying to place his boat in the exact position occupied by an explorer who took a similar photograph over 100 years ago. But the difference is striking: in the shot from 1918, the boat is heading towards a massive glacier. In the image Aslund took in 2024, he is heading toward what looks like almost bar...