Video: Why are we acting like wolves at night?

Around the world, people are collectively making noise while social distancing. In Colorado, we're howling like wolves. Joanna Lambert, a professor in the Program of Environmental Studies, studies wolf communication.

How climate change reduced the flow of the Colorado River

The massive Colorado River, which provides water for seven US states, has seen its flow reduced by 20 percent over the course of a century—and more than half of that loss is due to climate change, according to new research ...

Image: Baja California

This Copernicus Sentinel-1 image takes us just south of the US border, to the region of Baja California in northwest Mexico. Its capital city, Mexicali, is visible top left of the image.

In a twist, Colorado asks EPA to lower state's air rating

Colorado took the unusual step of inviting the U.S. Environmental Protection Agency to downgrade the air quality rating of the state's biggest population center, and not everyone thinks that was a good idea.

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