Wintry conditions in Colorado on Sunday were complicating a rescue in the high country of Rocky Mountain National Park, where an avalanche and rockfall came down on three climbers, with one of the three still missing late in the afternoon.

A federal judge in Montana has ordered the U.S. Fish and Wildlife Service to reconsider protecting the wolverine under the Endangered Species Act, ruling that the agency committed "serious errors" that undermined its 2020 decision not to extend those protections.

It's time at Point Reyes National Seashore for its annual beach closure for the protection of nesting federally-threatened snowy plovers. Each year the park on the California coast closes the stretch of beach between the North Beach parking lot and the mouth of Abbotts Lagoon. This closure is in effect for each Saturday, Sunday, and holiday from Saturday, May 28, through Monday, September 5, 2022.

Crowds, reservations, and fire danger all will be present in corners of the National Park System during the Memorial Day Weekend that is the traditional kickoff for summer travel.