Environment

CHEYENNE, Wyo. — Ozone-forming air pollution measured along the Colorado Front Range by scientists is up to twice the amount that government regulators have calculated should exist, according to a new study.

ASPEN — Pitkin County is losing the second-highest amount of water to the Front Range among Colorado's six headwater mountain counties, and the state's thirst soon could suck more from the Aspen area's rivers and streams, a new study has determined.

DENVER — A stable regulatory environment makes it possible for energy developers to do business, two state legislators said at a luncheon Tuesday for a group of independent oil and natural gas producers in the West.

CARBONDALE — The latest effort to try to convince U.S. Rep. Scott Tipton to support the Hidden Gems Wilderness Campaign in Pitkin, Garfield and Gunnison counties is out of the hands of environmentalists and into the mitts of business...

ASPEN — The organizers of a petition effort that seeks to give Aspen voters an opportunity to weigh in on the Castle Creek hydroelectricity-plant project say they believe they have the necessary number of signatures to put the issue on the...

ASPEN — Aspen's hotly debated hydropower proposal carries far larger implications than the future health of a mountain stream. It reaches beyond Castle Creek and far beyond the Aspen city limits. Larger forces are at work in the city's drive for...

ASPEN — For the Forest, a local nonprofit organization that first made a name for itself by proposing an effort to slow the spread of mountain pine beetles on Smuggler Mountain, is joining forces with the Aspen Center for Environmental...

ASPEN — A group of residents who oppose the idea of a hydroelectric facility on Castle Creek plan to circulate a petition to stop the rezoning of the property, or at least put the decision in the hands of Aspen voters.