A continuous stream of heavy sand and rock debris falling near the west tunnel entrance of the Zion-Mount Carmel Highway has prompted Zion National Park officials to temporarily close the road.

Bears and visitors are out and about in Great Smoky Mountains National Park in North Carolina and Tennessee, and the visitors are being cautioned to watch out for the bears.

A geologist who claims Grand Canyon National Park officials denied his request to collect rock samples from the floor of the park because of his Christian beliefs has sued the National Park Service on grounds that their decision was unconstitutional.

The changing climate is impacting national park lands in myriad ways, from raising sea levels that will inundate some coastal park units and exposing iconic tree species such as whitebark pines to crippling native and invasive species to altering migration patterns and forest makeup in ways detrimental to wildlife. Regardless of whether you believe climate change is human-driven, change is occurring and impacting the National Park System.