A record heat wave caused the Greenland ice sheet to melt 17 times faster than the historical average between May 15 and 21, 2025, warns the scientific network World Weather Attribution (WWA), in a new report cited by AFP. The extreme event also affected Iceland, where unprecedented temperatures were recorded. "In the absence of climate change, this heat wave would have been impossible," said Friederike Otto, a climatologist at Imperial College London and co-author of the study. • Summer