On the beach there is a jagged layer of thawing permafrost.

海滩上，有一个不规则的正在融化的永久冻土层。

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Methane is released when organic material in the thawing permafrost decomposes, which gradually releases methane.

当永冻层融化，其中的有机物质分解就会释放甲烷。

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Towns and cities across the east of Vladimir Putin's vast empire could 'collapse' in the coming decades because of thawing permafrost.

随着永久冻土的逐渐消融，弗拉基米尔·普京手中巨大帝国的东部城镇在未来几十年间可能会轰然倒塌。

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" Past extreme warming events linked to massive carbon release from thawing permafrost", by Robert M.

ECONOMIST: Sources and acknowledgments

Glacial melting has led to flooding and thawing permafrost has led to mudslides.

BBC: Update on Alaska��s national parks

Last, the project will try to work out how thawing permafrost will affect the numerous streams, rivers and lakes of the Arctic.

ECONOMIST: Global warming and the permafrost