Is 80216 really the most polluted zip in the U.S.?
A federal judge declined to issue an injunction to stop the Platte to Park Hill flood control project over its connection to the I-70 widening.
Drivers in the Denver metro area produce just as much ozone as oil and gas production, according to an NCAR study
That means individual Denverites have the power to reduce ozone pollution by driving less, the authors of the study said.
CDOT and the city of Denver are setting aside $3.75 million for home upgrades as part of the mitigation for the I-70 expansion.
A Department of Energy review found that precautions put in place after a 10-year cleanup are protecting people and the environment at Rocky Flats.
They're familiar Denver tensions — development, lack of affordable housing and rising drug use — and each has inevitably seeped into the river.
The air pollution contributed to ozone pollution along the Colorado Front Range, according to a civil complaint. Ozone can lead to smog.
Street sweeping is about far more than petty fines. Denver's water and air quality depend on it.
In Rocky Mountain National Park’s high lakes, scientists find traces of Colorado’s Gold Rush and the Great Depression
Pollution from across the Front Range drifts up to Rocky Mountain. USGS field ecologist Jill Baron can see it in her long-running study of Loch Vale.
Investigators could be closer to solving hundreds of Colorado sex assault cases.
The Colorado Bureau of Investigation bases its annual report on statistics from 245 law enforcement agencies. It doesn't seek to answer "why."