Colorado has three years to lower ground-level ozone pollution to meet federal standards, and this summer’s hazy skies — caused by oil and gas drilling, heavy...
Drivers navigating metro Denver last year spent an average of 37 hours stuck in traffic congestion — 16% more than in 2022, but 11% below pre-pandemic...
A contentious plan to drill up to 166 oil and gas wells on the southeastern fringe of metro Denver, near hundreds of homes and the Aurora...
MISSOULA, Mont. — Bitterroot National Forest officials reported Friday that a fast-growing wildfire burning in the Nez Perce-Clearwater National Forest was responsible for unhealthy air quality...
Wildfire smoke moving into Colorado from Canada and high ozone levels continue to choke the state Wednesday, prompting alerts for hazardous air quality. As of 6:30...
The federal government announced a $241.5 million settlement with Marathon Oil on Thursday for alleged air quality violations at the company’s oil and gas operations in...
Last Updated: June 21, 2024, 10:46 IST Alaska Airlines planes are shown parked at gates at sunrise, March 1, 2021, at Seattle-Tacoma International Airport in Seattle....
The Illinois Environmental Protection Agency declared Monday an Air Pollution Action Day in several Chicago-area counties, citing elevated ozone levels. The Action Day, which is the...
Thousands of Coloradans responding to a survey by their local newsrooms say candidates competing for their votes this year need to be focused primarily on several...
4-minute read 2024 wildfire season forecast Bad air quality and low visibility could once again be a concern as wildfires ramp up in the United States...