Why flooding is still so difficult to predict and prepare for

Before you read this story, take a minute to stop and look around you. Now imagine your surroundings under two feet of dirty, sewage-filled water. If you're at home, everything is trashed. Never mind your car, your furniture ...

Oak trees in Southern U.S. cities are natural urban air filters

Researchers at the University of North Texas have found that two oak tree species, post oak and live oak, that are widespread across the U.S. South remove black carbon from the urban atmosphere. The findings may offer a natural ...

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