Air quality advisory issued for much of Western Colorado

Wildfires’ smoke affecting most of the state

Weather service issues advisory about dense smoke, low visibility

State health department also warns about air quality

Smoke may be here for a while. Is it dangerous?

Residents advised to limit activity, close windows to avoid exposure

Colorado denies license for Paradox uranium mill

Judge says Piñon Ridge plan threatens environment; company not giving up

Four Corners Air Quality Group plans forum in Durango

Pete Dronkers, with Earthworks, visited sites identified by NASA as methane emitters in the San Juan basin in August 2016.…

Western Colorado officials voice support for new methane rules

State rules influence proposed federal effort

Four Corners’ ozone levels meet tougher standards

Pollution controls, switch to natural gas credited

Rocky Mountain Energy Summit examines intersecting industry issues

Economics juxtaposed with environmental concerns

Hickenlooper threatens executive order on clean air

Tells energy executives the state can do more to curb carbon pollution

Agreement reached on Clean Power Plan funding at Colorado Capitol

Budget would cut about $112,000

Colorado Supreme Court denies Gov. Hickenlooper’s request to weigh in on attorney general’s air-standards lawsuit

Coffman’s power to sue in question

Western fires make a haze of local skies

10-acre fire burning near Highways 160 and 151

Haze from California fires

Air currents bringing it our way

The Durango Motor Expo

Utes sue over fracking rule

Tribe challenges authority on its lands

Methane gets a look from NASA, NOAA

Study probes cloud over region's skies

Methane gets a look from NASA, NOAA

Study probes cloud over region's skies

NASA, NOAA take part in methane study

Plume over Four Corners largest in U.S.

Excelsior pollution complaints continue

'It's gone way past just dust,'manufacturers' neighbors say

Energy leases offered east of Mesa Verde

Challenge is to balance economy, air quality