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Climate Change

A closeup view of a bit of soil forming an arch.
Food & Environment

The dirt on biocrusts: Why scientists are working to save Earth’s living skin

Think twice before stepping on that crunchy top layer of soil. It may be a vital ecosystem — one that you can help protect.

Black silhouettes of dead trees stand out against a pinky orange sky
Food & Environment

Ghost forests are growing as sea levels rise

As trees choked by saltwater die along low-lying coasts, marshes may move in — for better or worse, scientists are learning

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