The past few days, however, Denver’s skies have been hazy and smoky. In fact, the air quality was actually rated the worst in ...

The next time someone admonishes you to “follow the science” in safeguarding the environment, you might tell them about the ...

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DENVER (KDVR) — The seven-county Denver-Boulder ... the metro region’s air quality was rated “moderate” and visibility on Thursday was projected to be “poor.” The Action Day was ...

An arctic front will sweep through Colorado Friday afternoon with dangerously cold air and accumulating snow lagging behind it for the holiday weekend. This is a long duration event in the Denver ...

One change that could have a big impact on how long drivers wait for an emissions test is the introduction of self-service kiosks. According to the agency, owners of gas-powered or hybrid vehicles who ...

Denver Health is changing how its doctors administer ... its financial cost, and its impact on air quality. The large tanks ...

A new rule adopted by the Colorado Air Quality Control Commission identified five "priority" air toxics that will soon be regulated.

Colorado air pollution regulators spend a lot of time thinking about greenhouse gases that create a smog across the Front Range and contribute to global warming, But this ...