Climate change threatens national parks

The Yellowstone River flows through the Grand Canyon of the Yellowstone in Yellowstone National Park. Yellowstone is one of many national parks that is threatened due to climate change. (NPS)

By Claire Donnelly The glaciers in Glacier National Park are melting. Snowpack in Yellowstone National Park is decreasing. Blueberry bushes in Acadia National Park are flowering weeks earlier than they did more than 100 years ago. These are just some of the ways that climate change is threatening the national parks.