Tag: 2090

Arctic permafrost now melting at levels not expected until 2090

Permafrost has begun thawing in the Canadian Arctic more than 70 years early because of climate change, according to new research. A “series of anomalously warm summers” has dramatically accelerated melting rates at three sites despite average annual ground temperatures remaining low. Ponds and hillocks have formed as a result. It had been thought that the permafrost […]