'Traffic jam' on Mount Everest turns deadly for climbers
May 28, 2019, 8:54 a.m. by Mary Jo DiLonardo
Hundreds of hikers battle altitude sickness and frostbite as they wait in line to summit.
Say hello to the first female chief ranger in this national park's 85-year history
May 7, 2019, 1:44 p.m. by Christian Cotroneo
Great Smoky Mountains is America's most visited park.
It's time to start demanding justification for drilling in the Arctic refuge
April 28, 2019, 9:06 a.m. by Guest Columnist
The coastal plain is oil rich and full of wildlife.
This stray tagged along with mountain climbers and set an elevation record for dogs
March 6, 2019, 9:13 a.m. by Mary Jo DiLonardo
Mera, a street dog, climbed 23,389 feet to the top of Baruntse in Nepal.
Why the new U.S. public lands bill is such a big deal
February 27, 2019, 8:51 a.m. by Michael d'Estries
Here are a few highlights from legislation that's poised to boost wilderness protection across the country.
Florida fights plans to drill for oil in Everglades
February 25, 2019, 8:21 a.m. by Noel Kirkpatrick
Plans to drill for oil near Miami have raised concerns about environmental and health risks.