"Conservationists are asking the White House Council on Environmental Quality to put the brakes on plans to allow a popular off-road, desert race from near Las Vegas to Reno to run through a newly established national monument in southern Nevada."

"More than one-third of the world's population can no longer see the Milky Way because of man-made lights."

"The Bureau of Land Management announced Monday that several parcels of land intended for oil and gas drilling in northwestern New Mexico will no longer be put up for bid at a leasing auction in October."

"Regulators are wrangling with bankrupt coal companies to set aside enough money to clean up Appalachia’s polluted rivers and mountains so that taxpayers are not stuck with the $1 billion bill."

Humans have been influencing landscapes and ecosystems on a global scale for far longer than people usually think, archeologists said in a newly published study.

"RIM OF CEDAR MESA, Utah — For centuries, humans have used the red sandstone canyons here as a way to mark their existence. ... Now, President Obama is weighing whether and how he can leave his own permanent imprint on history by designating about 2 million acres of land, known as the Bears Ears, as a national monument."

"As the Park Service approaches its centennial, it is grappling with a puzzle: Why are employees so unhappy, even while they love the work they do? And how can the agency fix it?"

"The long-term fate of a major conservation program [the Land and Water Conservation Fund] could end up being a key sticking point in negotiations over federal energy policy reform."

"Andrew Herrington slips on a battered green backpack, stashes a .308 bolt-action rifle under his arm and steps off a boat onto the steep, rocky shores of Great Smoky Mountains National Park."