World's lakes losing oxygen rapidly as planet warms

Oxygen levels in the world's temperate freshwater lakes are declining rapidly—faster than in the oceans—a trend driven largely by climate change that threatens freshwater biodiversity and drinking water quality.

Rare Jurassic fossils discovered near Lake Powell

While documenting fossil tracksites along a stretch of Lake Powell, a Glen Canyon National Recreation Area (Glen Canyon NRA) field crew discovered the first tritylodontid bonebed found in the Navajo Sandstone in Utah. These ...

New study shows how Chicago pollution varies by neighborhood

If you live along one of the major interstate highways running through Chicago or directly next to Lake Michigan, you are regularly exposed to more air pollution than the rest of the city, a new Northwestern University study ...

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