The northern edge of North America is getting steadily greener. In the most detailed study so far of plant growth across Alaska and Canada, scientists say that about a third of the land cover now looks less like tundra, and more like a warmer ecosystem. Story here.
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Climate change: Frequency of extreme droughts across Europe predicted to rise
Nature Research Photo "drought" by bartoszjanusz is licensed under CC0 1.0 The frequency of record-breaking two-year dro...
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