Aspen is at the center of the conversation regarding climate change, with a visit from the head of the U.S. Environmental Protection Agency.
The head of the Environmental Protection Agency is drawing attention to the link between climate and the economy with a visit to a Colorado ski resort.
The plan to cut emissions by 30 percent by 2030 attracted crowds to regional hearings this summer, including Denver.
Crews from South Metro Fire and the EPA worked late Tuesday evening to contain a fuel spill in Parker.
Democratic Sen. Mark Udall on Monday defended his support for a carbon tax, lashing back at criticism from his opponent who says plans to slash carbon emissions at coal-fired power plants raises energy costs for homeowners.
Democratic Sen. Mark Udall says a carbon tax is needed and that the federal health care overhaul has helped Colorado.
Environmental Protection Agency officials are visiting northwestern Colorado to learn more about how proposed pollution rules for power plants could affect a region where the economy is tied to coal.
Hundreds of people across the country lined up Tuesday to tell the Environmental Protection Agency that its new rules for power-plant pollution either go too far or not far enough.
Hundreds of people will tell the Environmental Protection Agency what they think of proposed rules to cut pollution from power plants during public hearings Tuesday and Wednesday in Denver.
The head of the Environmental Protection Agency promoted proposed clean power plant rules to Western governors Tuesday.