Corps of Engineers considers nature-based flood control

The U.S. Army Corps of Engineers is known for damming rivers and building levees to keep waterways at bay. But a new initiative seeks natural flood control solutions as climate change brings increasingly frequent and severe ...

Wall of sand engulfs Chinese town

A towering wall of sand rushed over factories and apartment blocks in northwestern China's Gansu province as seasonal sandstorms barrelled across the country, causing air pollution and traffic accidents.

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