India's tiger population rises above 3,000

India's wild tiger population—by far the largest in the world—has risen above 3,000, according to a census released Sunday, boosting efforts to conserve the endangered species.

New herb plant species found in Yunnan, China

Ceropegia is a genus of plants in the Apocynaceae family, native to Africa, southern Asia, and Australia. According to a recent phylogenetic study, Ceropegia contains more than 700 species in 63 sections. Ceropegia sect. ...

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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