A warming California sets the stage for future floods

By the 2070s, global warming will increase extreme rainfall and reduce snowfall in the Sierra Nevada, delivering a double whammy that will likely overwhelm California's reservoirs and heighten the risk of flooding in much ...

Fossil rivers of the Sahara tell of the threat of warming

Why did the people living near the Nile river migrate to central Egypt 10,000 years ago, when the Egyptian Sahara was still green? Geologists led by the University of Geneva (UNIGE), Switzerland, have studied the fossil rivers ...

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