The Ecosystems and Environment of Denali
This landscape is not static--as landslides, glacially-fed braided rivers, and moving glaciers attest. There are also human impacts on the land, such as changes in air quality (air-borne contaminants) and climate.
Wilderness is a word with both a specific, legal definition and a personal, emotional definition.
- Climate change
There are natural changes, and there are human-caused changes, to the land and climate. Discover the effects of climate change in Denali.
- Mountains and glaciers
Topped by the tallest mountain in North America, the Alaska Range covers much of the southern half of the park.
- Aurora borealis
The aurora, or northern lights, can be seen periodically in the Denali area.
- Environmental factors
Ranging from topics like air and water quality to the purity of the soundscape, look through aspects of the environment that are beyond what our eyes can see.