That is how scientists think about climate tipping points. These are moments when a natural system gets pushed far enough ...

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The Amazon rainforest is so big that it makes its own climate. As they photosynthesise and transpire, its billions of trees collectively produce enough moisture to form clouds. These, by some ...

Cover enough of the Sahara Desert with solar panels and wind turbines, and you might change the weather. That is the central ...

Climate change deniers love to point out that plants flourish when carbon dioxide levels rise. As we burn fossil fuels, their thinking goes, the Earth will become greener and even more supportive of ...

For all that scientists rightfully worry about the dangers of climate change, the environmental movement has come a long way ...