Russian-olive can be an interesting addition to your landscape, with its dense coat of silvery leaves, bright yellow flowers, and relatively compact stature. But it also is a non-native tree that can overwhelm native vegetation, hog water, and disrupt nutrient cycles. In Utah, the National Park Foundation is helping combat this invasive by providing funding to a coalition trying to eradicate Russian-olive from public lands in the southern part of the state.

Is there one particular national park campground you like to return to again and again and again?

A congressional effort to have Pinnacles National Monument redesignated as a "national park" is opposed by the National Park Service because the monument contains a limited array of resources.

A group has gone to court to halt the development of a uranium mine within 10 miles of Grand Canyon National Park. Filed on behalf of the Center for Biological Diversity, the Grand Canyon Trust, and the Sierra Club, the lawsuit claims the U.S. Bureau of Land Management failed to update environmental reviews and mining plans before approving the project.