air pollution
Some of the worst ozone pollution in the U.S. settles along the Front Range. New rules to fix it are ahead.
Colorado has made some progress toward reducing the chemical dangerous to human health. But it will take leaning on automobiles and oil and gas producers to really move the needle.
Wildfire smoke accounted for up to half of air pollution in the West in recent years
Gains made from cleaner power plants and vehicles were lost to massive wildfires that charred landscapes, including massive burns in Colorado
Three coal-burning power plants in Colorado face orders to close early. Their owners aren’t happy about it.
Tri-State, Xcel and Platte River Power had the closures slated for 2030. But Colorado air quality regulators say it must be done earlier to meet greenhouse gas targets.
Air pollution, asthma rates in Colorado’s San Luis Valley are a growing concern
About 14% of San Luis Valley children suffer from asthma, which is a medically significant higher number than the 12% U.S. average. Can monitoring air quality help?
Colorado regulators probe why the coal-fired Comanche 3 power plant has been out of service for months
Xcel Energy customers have been paying for the $1.3 billion plant since it opened in Pueblo 10 years ago and now are picking up the tab for costly repairs and electricity purchased to meet summer demand
Colorado oil and gas emissions rules begin to tighten, but gaps open over what is monitored, by whom and where
Western Slope commissioners say rules designed to pull the Front Range into federal ozone compliance are an “economic risk” for northwest Colorado
Six months after historic Suncor settlement, community around Commerce City refinery still feels “exploited”
The oil company began surveying the community on Wednesday, but continued issues at the refinery have neighbors feeling skeptical
2nd lawsuit challenging Colorado’s tough new oil and gas air pollution rules is tossed
Judge Martin Egelhoff cited the July 29 dismissal of Weld County’s lawsuit in his decision, finding that Garfield County also could not claim damages arising from a rule that applies to the entire oil and gas industry
The closure of Colorado coal-fired powerplants is freeing up water for thirsty cities
Large electricity generators use lots of water to cool their coal-fired plants. As those units shut down, expect to see battles heat up over how the massive amounts of water can be repurposed.
