Researchers mountain ozone levels were similar to or greater than levels at lower elevations in some cases.
Real estate prices in Northern Colorado are rising because of the increased oil and gas activity in the area, but may go down the closer the rigs are to homes.
The report says scientists don't know enough about the effects on wildlife.
Molly Greacen and a few neighbors knocked on every door in their Boulder neighborhood to ask people to stop using pesticides.
A new report predicts rising temperatures will cause earlier melts of Colorado mountain snow in the spring.
Home improvements will eventually cost more with two new Colorado laws.
Great Outdoors Colorado, a state entity, has some big bucks to spend and will begin a listening tour around the state as it decides what to do.