Rhyming verses take children up a mountain to explore how animals and habitats change as they travel higher and higher above sea level. Includes "For Creative Minds" educational section.

The RMNP Initiative was formed to study and recommend action on air quality issues facing the park. Participants in the initiative include the Colorado Department of Public Health and Environment Air Pollution Control Division, U.S. EPA Region 8 Air Program, the Air Resources Division of the National Park Service and the U.S. Forest Service.

A facsimile edition of the original 1894 classic which conveys some of the wonder and delight the great naturalist discovered on his first trips into the Sierras.

Mountains looks at how mountains came into being, how they are constantly changing, and how they provide a home to plants, animals, and humans.