Food deficits in Africa will grow in a warmer world

Africa has one of the world's fastest population growth rates. Growth models project the continent's current population of about 1.3 billion people will nearly double to 2.5 billion by 2050—and it's likely to keep growing ...

Fiber optics open new frontier for landslide monitoring

Reservoirs provide water storage, hydropower, and recreation for local communities. However, adding a reservoir significantly changes a landscape's geological conditions and ushers in new and unpredictable hazards—most ...

Water makes tree branches droop at night

A new study using a time-series of terrestrial laser scanning measurements shows that changes in the water status of leaves and branches causes branches to move downward at night, up to 20 cm depending on the tree species. ...

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