John Hollenhorst

Lake Powell’s losing streak: Will the odds ever change?  

After two decades of drought, Utah's most popular boating area has just dipped below a critical threshold. Lake Powell's historically low level is raising worries for boaters as well as for millions of people who depend on the Glen Canyon Dam for electricity.
2 years ago

Cataract Canyon Without Lake Powell: A Monumental Legacy Of Dried Mud

Lake Powell has drastically shriveled during 20 years of drought, allowing dozens of miles of the Colorado River to become a river again in world-famous Cataract Canyon. But why have many of its legendary rapids failed to return?
3 years ago

Wildlife Photographer’s ‘Photo Ark’ To Rescue Species Using Animal Portraits

Anyone who regularly logs into Facebook or Instagram has probably seen enough cute animal pictures to last a lifetime, but for one veteran wildlife photographer, animal "portraits" – not plain old cute photos – could be a key to "saving the planet."
3 years ago