Permafrost, the jumbled layer of soil, ice, prehistoric plants and the occasional frozen mammoth covers 67 percent of Russia’s land

Permafrost, the jumbled layer of soil, ice, prehistoric plants and the occasional frozen mammoth covers 67 percent of Russia’s land surface! More and more is melting and unleashing unpredictable and sometimes violent reactions.
nytimes.com/2020/09/05/wor… https://t.co/o4fRkrb0us

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