In 1941, glacial Lake Palcacocha in the Peruvian Andes burst its moraine dam of earth and stones, sending a torrent of water through the city of Huaraz and killing an estimated 5,000 people. Between 1941 and 1950, two more glacial lake outburst floods, or GLOFs, which can occur after enough water fills in behind a … Continue reading As Glacial Floods Threaten Mountain Communities, a Global Exchange Is Fostering Adaptation