When lush deciduous forests covered the Arctic

Around 50 million years ago there were extensive, lush deciduous forests in the polar regions of the Arctic, where today there is sparse vegetation. The forests existed due to the conditions in the Eocene—a combination ...

Climate tipping points in Amazon, Tibet 'linked': scientists

Climate extremes in the Amazon rainforest are directly affecting those in the Tibetan Plateau, scientists said Thursday, warning that the Himalayan region crucial for the water security of millions was close to a potentially ...

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