President Donald Trump is moving to wipe more than 150 years of environmental regulations off the books, including provisions tied to the Endangered Species Act, the Marine Mammal Protection Act, the Migratory Bird Treaty Act, the Nuclear Waste Policy Act, and even the Atomic Energy Act, in a bid to reduce regulations tied to energy production.

Grand Canyon National Park plans to reopen the Bright Angel Trail and campground beginning May 15.

There is, near the roof of Rocky Mountain National Park, a unique landscape rarely found in the National Park System.

A coalition of more than five dozen businesses and organizations from Arkansas to Washington state has formed to defend public lands against mining, energy development, and other "types of exploration and development."