By Jennifer Napier-Pearce
Salt Lake City, UT – Millions flock to Big and Little Cottonwood Canyons, Parleys and other canyons along the Wasatch Front to ski, hike and enjoy the natural beauty. But what effect are the crowds having on the health of the canyons? Gabe Epperson with Envision Utah tells KUER's Jennifer Napier-Pearce that planners want to know how Salt Lake County residents foresee the future of the canyons.