There is a certain "culture" that helps define Lake Mead National Recreation Area, one that is clinging to this manmade oasis in the desert that climate change is shrinking and threatening its purposeful existence.

Below average snowpack, an ongoing drought, and invasive species continue to plague the Colorado River as it flows out of Rocky Mountain National Park, past Arches National Park, through Canyonlands National Park, and into Lake Powell at Glen Canyon National Recreation Area. How have those factors affected both the recreational experience at Lake Powell, and the resources there?

Winter, surprisingly, didn't douse all of last year's wildfires in Sequoia National Park.

The giant sequoias, the world’s most massive trees, have been in California’s Sierra Nevada for 200 million years. Now this species that stood when dinosaurs walked the Earth faces new threats. Is its longevity at risk?