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New EPA methane emissions rules celebrated by some, cause concern for others

The rules will limit leaks from over 20,000 oil and gas wells in the Four Corners

Colorado could ban sale of gas-powered mowers and blowers beginning in 2025

Such a move would be a way to get real ozone cuts by 2026, when EPA demands kick in

EPA blames Utah for Colorado ozone pollution

Federal agency won’t approve Utah’s clean air plans until they stop violating “good neighbor” rules

San Juan Basin Public Health offers free radon testing workshops

The gas is second-leading cause of lung cancer, and detecting it is easy

EPA tells Polis there’s no getting out of selling reformulated gas to fight ozone

State has threatened to sue over pricier, cleaner gasoline

Colorado is falling behind on its mandate to cut greenhouse gases

New state assessment shows big gaps in goals for transportation emissions

East Round Top Fire ignites 5 acres on Southern Ute Indian Reservation

Cause of blaze is under investigation

Could prescribed burns curb the health impacts of wildfires?

Controlled fire seen as a tool to mitigate some of the harm, report says

Smoke, dust darken Durango skies

Fires burning in Arizona linked to Monday’s haze in Southwest Colorado

Hamburger helper: Beef fat may be coming to help fuel a fancy jet near you

Tallow-based fuel is advertised to cut carbon output of jet flights by 25%

Spring winds kick up dust, exacerbate allergies across Southwest Colorado

San Juan Basin Public Health reports hazardous air quality through Tuesday morning

More hazy days forecast for Four Corners

Smoke from wildfires expected to linger through Wednesday morning