The price of renewable energy from solar and wind is beginning to compete with fossil fuels.
This spring, the Colorado River flowed through Mexico after running dry for decades. Photographer Pete McBride was one of the few people to experience it by boat.
Increase would help pay for closing down older coal-fired plants, converting others to natural gas and paying off increasing property taxes.
Industry officials say restrictions will cost jobs.
Scientists are using robots to study the Greater Sage-Grouse to better protect the bird, which is threatened in Colorado.
- Wind and solar are producing increasing amounts of power and former governor Bill Ritter says they are becoming competitive with coal prices for energy generation.Read more
Joe Goffman, Associate Assistant Administrator for Climate and Senior Counsel for EPA's Office of Air and Radiation, explains EPA's proposal to work with states, cities and businesses to cut carbon pollution from power plants. EPA will accept comment on the proposal for 120 days after publication in the Federal Register and will hold four public hearings on the proposed Clean Power Plan during the week of July 28 in Denver and four other cities.