Past warm period reveals limited near-surface permafrost extent

An international research team led by Dr. Guo Donglin from the Institute of Atmospheric Physics of the Chinese Academy of Sciences has revealed the extent of near-surface (about 3–4 m depth) permafrost during the mid-Pliocene ...

Greek fires rage unabated for a week

Greek firefighters struggled on Friday to contain scores of blazes stretching nationwide—the largest fires in the European Union this year.

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