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50% adults overweight or obese by 2050: Global study 对全球数据的研究指出到 2025 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
World's largest iceberg runs aground off remote island 世界最大冰山在偏远小岛 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
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2025年夏季南极海冰将骤降
当南极海冰达到夏季最小值时，北极海冰覆盖范围也正接近卫星观测史上最低的冬季水平。今年2月中旬，全球海冰覆盖面积比2010年之前的平均水平减少了约250万平方公里（100万平方英里）。这意味着地球缺失的海冰面积足以覆盖美国密西西比河以东的整个大陆区域。