Ozone layer: how the hole was plugged

In rare good news for the environment, a UN report confirmed Monday that the hole in the ozone layer that had been threatening Earth since the 1980s is shrinking.

High-frequency monitoring reveals riverine nitrogen removal

Humans tend to make messes, and when it comes to the excess nitrogen we contribute to waterways, aquatic plants get stuck cleaning up. Nutrients such as nitrogen in wastewater and agricultural runoff often escape into rivers, ...

Wildlife–human conflicts could shift with climate change

As natural areas become increasingly fragmented, the potential for humans and wildlife to interact is growing. Now, researchers from Japan have found that climate change is altering the risk of such interactions.

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