pollution
Denver, Front Range under ozone alert Friday as wildfire smoke contributes to haze
A majority of Coloradans will be under an ozone alert on Friday as public health...
5 companies bid in Colorado’s first greenhouse-gas credit auction, criticized as pay-to-pollute scheme
Colorado held its first greenhouse gas credit auction but details on which companies bought their...
Denverites weigh in on Mayor Mike Johnston’s first two years, from cheers to disappointments
The Denver Post asked readers in Denver to assess Mayor Mike Johnston's first two years...
Colorado weather: Strong thunderstorms, hail forecast in south metro, I-25 corridor
Thunderstorms moving through Colorado's mountains could bring heavy rain, large hail and wind gusts to...
Xcel needs new air permit for Pueblo’s Comanche station even as it plans to shutter the coal-fired plant
Colorado's utility companies have been planning for nearly two decades to shutter their coal-burning power...
EPA workers in Denver among 139 put on leave for signing ‘Declaration of Dissent’ letter
The “Declaration of Dissent” letter shows at least 13 current and retired Region 8 employees...
Millions of tons of coal ash are buried underground in Colorado, seeping toxic chemicals into groundwater
When Xcel Energy stopped burning coal at its Valmont Power Station in 2017, it left...
Colorado launches investigation into Chevron-owned Noble Energy over Bishop well blowout
The blowout occurred at 5:50 p.m. April 6 at the Bishop well south of Weld...
Ozone days and stifling heat are not the days to cut EV tax credits (Letters)
"With a price change like that, last year’s record sales will, naturally, plummet. That’s a...
Colorado weather: Air quality alert issued for Denver area, Front Range
An air quality alert will be active for the Front Range and Denver area through...