Richard Mahler

Dinosaur National Monument, NPS

Many millions of years ago, dinosaurs of all shapes and sizes roamed the Colorado Plateau. They were common in the region when the landscape was mostly wet and tropical. We know this through fossil evidence, plus petroleum deposits created through the decay of ancient plants and animals.


Anguskirk

Here’s a surprising fact: the biggest human-caused threat to birds after habitat loss is window glass. Some estimates suggest up to one billion birds across the United States die each year after flying into glass surfaces. That’s roughly five percent of all birds.


Gilfoto

Consider yourself lucky if you see a porcupine on the Colorado Plateau — while keeping your distance, of course.  These famously prickly rodents, once common, were almost wiped out in the region for two main reasons. 


U.S. Geological Survey Photographic Collection

Writer Wallace Stegner once claimed that exploration of the West by European-Americans began with Lewis and Clark and ended with Almon Thompson.


Michael Collier

Climate experts tell us our planet will get warmer and sea levels will rise, and extreme weather will occur more often and with greater intensity. They predict that some places will get wetter and others more arid, that ice will melt and currents shift.


Pages