As climate change continues to alter habitats for plants and animals, and as the call for a national biodiversity strategy gets louder, the country's long-distance hiking trails could prove to be valuable corridors for species.

A congressional hearing Tuesday into how best federal land-management agencies could tap Native American expertise for natural resource issues opened the door for Republicans to push for more oil and gas drilling and development of a national energy policy in response to Russia's invasion of Ukraine.

The National Park System is an essential laboratory—and also a battleground—in the management of invasive pests.

There are many faces to winter in a national park. Some park units have no snow, while others host feet of the fluffy white stuff. On sunny days, the atmosphere is clear and sharp, producing saturated colors for your camera. On not-so-sunny days, your camera’s LCD lens might be filled with varying shades of gray and white. Contributing photographer Rebecca Latson provides examples of what you might see through your camera’s lens and how to prepare for winter photography in a national park.