New research shows the huge threat posed by permafrost thaw to millions living in the Arctic.
Because of the unequal way that the US government divided up land after colonisation in the 19th and 20th centuries, indigenous villages now have limited land and few options to move as it becomes unstable, Mr Erickson explains.
At least 120,000 buildings, 40,000 km of roads and 9,500 km of pipelines, as well as airstrips, are located in permafrost areas of the northern hemisphere, according to the study. "It's important to emphasise that people have lived in these landscapes for thousands of years - it's not as simple as saying communities can pick up and move," she says.In 2020, evidence of the catastrophic impact of warming permafrost was clear when a huge oil spill caused one of Russia's worst environmental disasters.into rivers and lakes in Russia's Arctic north. Investigators believe the tanks sank into the ground after it became unstable as permafrost thawed.
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