Climate change is rapidly reshaping the Arctic's great lakes

Climate change is rapidly reshaping the Arctic’s great lakes jdr5 Tue, 06/23/2026 - 17:13 A highly magnified view of a diatom, a single-celled aquatic organism that was once the dominant diatom species in Great Slave Lake. (Image credit: Paul Hamilton, Canadian Museum of Nature) A close-up view of a diatom species that has risen to prominence in Arctic lake ecosystems in recent decades. (Image cre