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Melting permafrost in Northwest Territories releasing carbon -Charles Tarnocai/Agriculture and Agri-Food Canada | William Thomas Online | William Thomas

Melting permafrost in Northwest Territories releasing carbon -Charles Tarnocai/Agriculture and Agri-Food Canada

Melting permafrost in the Northwest Territories sends carbon-rich sediment into the Mackenzie Delta. (Photo- Charles Tarnocai/Agriculture and Agri-Food Canada)-1


 发件人     William Thomas 2017