On a stormy spring day, crisp winds blew across the snowy peaks outside Upernavik, Greenland. Locals considered the balmy -30°C temperature a warm March evening, so they scampered to run errands under the setting sun. Photographer Weimin Chu had settled on a slope near the airport with views of colorful homes below. “I found the…

The Arctic Ocean is Earth’s northernmost body of water. It encircles the Arctic, and flows beneath it. Most of the Arctic Ocean is covered by ice throughout the year—although that is starting to change as temperatures climb. Pale and stark on the surface, the Arctic Ocean is home to a stunning array of life. Though…