Health-hitting particles linger on surfaces, researchers find, so scrubbing may do more than air filters
State inspectors cited a litany of violations in settling with the Lyons plant, while activists continue fighting pollution and alleged land use infractions
Air quality board approves sweeping demands on 50,000 sq. ft. properties to start cutting greenhouse gas emissions.
Airplanes, SUVs and backpack sensors fan out with researchers from three countries in the fight against ozone and particulate emissions.
Regional office agrees with protest comments and demands changes from state air pollution officials, after similar objections last year
An upcoming debate over emissions from industrial giants will feature pro bono lawyers sitting shoulder-to-shoulder with key players
The question is whether the 9-county nonattainment area will one day meet EPA air quality thresholds, as Atlanta did this year, or become a perennial offender like Sheboygan, Wisconsin
State leaders must do more to quickly clean up Colorado’s air as increasing wildfires threaten to further diminish our health and quality of life
The Colorado Sun spoke with air pollution experts, environmentalists and state officials about the state’s air quality.
Colorado regulators warn the sulfur dioxide emissions could last, and urge neighbors to consider precautions.