As the world warms, Greenland melts. We know that sea levels are rising, but it’s hard to predict how quickly Greenland’s glaciers might disappear into the sea. Anders Anker Bjørk and his colleagues are using 1930s photos to examine how these glaciers have changed over the last 80 years, and what their future might hold. Read the feature here: www.nature.com/news/180-000-forgotten-photos-reveal-the-future-of-greenland-s-ice-1.20335