You've likely heard of the permafrost, but what exactly does it do, and what are the consequences if it melts? Here are some ...

New research shows that climate systems like sea ice and permafrost may shift abruptly, even at 1.5°C (2.7°F) of warming.

Scientists have found evidence that the Asian continent was free of permafrost all the way to its northerly coast with the Arctic Ocean when Earth's average temperature was 4.5˚C warmer than ...

Permafrost thaw poses multiple risks to local Arctic communities, their livelihoods, infrastructure and environment. A transdisciplinary study led by Umeå University and others has identified key ...

The release of the metal, which has been stored in the permafrost for millennia, now poses an environmental and public health hazard to about 5 million people living in the Arctic zone, according ...

Research reveals Arctic region was permafrost-free when global temperatures were 4.5˚ C higher than today. Northumbria University . Journal Nature Communications DOI 10.1038/s41467-025-60381-5.

The Arctic is "dotted" with such long-term operations. Canada's government estimates that there are 24,000 in the country. Last year another mine in the Yukon "spilled an avalanche of zinc and ...

Unfreezing mercury. The Arctic is covered in permafrost, a large icy expanse that, as the name suggests, remains permanently frozen. Well, that was the case until recently.

A decade ago, a mysterious crater appeared in the Russian Arctic, forming a huge jagged hole hundreds of feet wide. Since then more than 20 have formed, leaving scientists baffled and intrigued ...

Melting permafrost in the Arctic is releasing toxic mercury into the water system, potentially impacting the food chain, scientists say. ABC News. Live. Video. Shows. Shop. Log In. Stream on.

The melting Arctic permafrost is unleashing a 'toxic' legacy. Rising temperatures could cause huge amounts of toxic materials to seep out of sealed-off mines into waterways .