Related topics: greenhouse gases · stars

Earth breaks heat record in 2016 for third year in a row

Last year, the Earth sweltered under the hottest temperatures in modern times for the third year in a row, US scientists said Wednesday, raising new concerns about the quickening pace of climate change.

Ancient global cooling gave rise to modern ecosystems

Around 7 million years ago, landscapes and ecosystems across the world began changing dramatically. Subtropical regions dried out and the Sahara Desert formed in Africa. Rain forests receded and were replaced by the vast ...

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