As climate change and overuse shrink Lake Powell, the emergent landscape is coming back...
Lake Powell’s decline offers an opportunity to recover the landscape at Glen Canyon, but it also presents serious challenges.
Can the Ancient Humpback Chub Hang On in Today’s Grand Canyon?
It has survived invasive predators, too-cold water, poisoning, electro-shocks, and a ginormous dam. Still, the chub persists.
The Colorado River Is Dying. Can Its Aquatic Dinosaurs Be Saved?
The razorback sucker has survived in the river for more than 3 million years. Climate change could end that.
The westward spread of zebra and quagga mussels shows how tiny invaders can cause...
Fingernail-sized mollusks are spreading through U.S. rivers, lakes and bays, clogging water supply pipes and altering food webs.
Declining levels at Lake Powell increase risk to humpback chub downstream
Low levels and warming waters threaten to increase invasive species in the Colorado River.
Traveler Special Report: Grand Canyon’s Struggling River
Glen Canyon Dam, climate change and invasive plant species are threatening the Colorado River.
Colorado River Econ 101
By Kurt Repanshek, National Parks Traveler From the high country in Rocky Mountain National Park a muddy flush of water rushes downstream, through western Colorado. It turns left, going south...
Climate change reducing Colorado River runoff
By Kurt Repanshek, National Parks Traveler By mid-century, annual runoff into the Colorado River could be reduced by nearly a third as declining snowpack leads to greater evaporation of snowmelt,...
Not enough water and too many invasives at Glen Canyon National Recreation Area
Years of drought, upstream diversions and impoundments, and an overly optimistic forecast of Colorado River flows, have sapped the river once literally called Grand.