Greenland glacier break creates new ice island

The calving event marked the largest loss of floating ice in over a decade.

An international research team partly led by the University of Ottawa reports that Petermann Glacier in northwest Greenland calved a 76.4 km² (29.5 square miles) ice island on Aug. 4, 2026, marking the glacier's largest loss of floating ice since 2012 and the largest Arctic…