The Arctic is in a death spiral. How much longer will it exist?

The region is unravelling faster than anyone could once have predicted. But there may still be time to act The great thaw: global heating upends life on Arctic permafrost – photo essay At the end of July, 40% of the 4,000-year-old Milne Ice Shelf, located on the north-western edge of Ellesmere Island, calved into the […]