Keith Kloor

Collide-a-Scape

Here's Mud in Your Face

Hiker on Appalachian Trail in Maine (Credit: Jonathan A. Mauer/Shutterstock)



appalachian trail

It's been 100 years since the launch of the Appalachian Trail. Author Phil D'Anieri celebrates its legacy through the eyes of the people who hiked it. 

The Appalachian Trail: Our Symbiotic Relationship With the Longest Hiking-Only Trail in the World

Hoover Dam and Lake Mead — the second largest reservoir in the United States — is seen in this aerial photograph taken on Aug. 26, 2020. Note the white "bathtub ring" left behind by the dropping level of the lake. (Credit: Waterdesk.org and LightHawk)

Hoover Dam and Lake Mead

The Colorado River Basin — which supplies 40 million people in seven states and Mexico with water — is heading into the summer in very bad shape.

Drought and Overuse of Water Push the Western U.S. Across a Scary Threshold

Lawn care

Maintaining classic green lawns threaten the climate, biodiversity, water conservation and other sustainable goals. 

Your Perfect Lawn Is Bad for the Environment. Here's What to Do Instead

plastic mountain trash and recycling concept - shutterstock

An advanced form of recycling promises to fully reuse our plastic products. Some scientists aren’t so sure it’s a good idea, though.

Will Chemical Recycling Solve Our Plastic Problems?

Burning pine forest

Midwest fire season is a different beast than Western blazes. Many questions about how the burns could harm people or play out in the future remain unanswered.

Yes, Wisconsin Has a Wildfire Season. Here's Why It Ramped Up This Spring

shutterstock 1307931142

Synthetic diamonds are now cheaper, easier to produce and likely more sustainable and ethical than mined ones. But some consumers still prefer traditional gemstones.

Here's Mud in Your Face

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