EPA
How Colorado’s changing climate is putting children’s health at risk
Exposure to air pollution can lead to long-lasting health problems for kids, including asthma and diminished lung development.
Colorado to strengthen plan to protect views at Rocky Mountain National Park, sidestepping Sierra Club lawsuit
Required update to cutting air pollution at national parks is late, but environmental groups say they have won some victories in the revisions.
Colorado will have hundreds more air pollution sources to permit. Here’s how the state is gearing up.
State air officials’ big budget request includes dozens of staffers to hit backlog when EPA declares Front Range in “severe” nonattainment.
EPA downgrades Colorado’s ozone problem to “severe,” forcing stricter cuts to pollution
The EPA’s long expected move will force North Front Range counties to make changes to gas formula and hundreds of new pollution permits
Carman: Suncor’s days of beguiling regulators and befouling our air at last may be numbered
EPA finally has started paying attention, thanks to intense pressure from environmental organizations, community advocates and U.S. Rep. Diana DeGette.
EPA objects to Colorado’s approval of Suncor permit, asks for changes
Environmental groups and neighbors had asked the federal agency to block the operating permit, and EPA agrees it has problems with the refinery
Environmental coalition demands Colorado speed up clean truck rules, citing long delays in air pollution cuts
Environmental groups who have successfully forced faster clean water action now demand Air Quality Control Commission move pollution rules to 2022 and speed up change.
Colorado rejects Xcel Energy’s attempt to extend the life of Pueblo’s coal plant by 12 more years
Comanche 3, which has been shut down by equipment failures since Jan. 28, is schedule to permanently close in 2034
Colorado approves Suncor permit renewal, but air pollution activists say they will keep trying to block it
State regulators say they demanded air pollution concessions before passing the permit on to EPA for a final ‘yes,’ but opponents say nothing will change.
Climate change is eroding work to clean up the Snake River. Is Summit County snowmaking making it worse?
A warmer, drier alpine is impeding water quality for streams and rivers used for snowmaking, like the Snake River that runs through Keystone
Colorado wants to reduce plastic waste. Here are all the ways it’s happening.
Opt-in for those takeout plastic forks, napkins and soy sauce packets. No styrofoam “clamshells.” Plastic bag fees. Will Denver ban throwaway water bottles next?
Colorado groups threaten to sue EPA for delaying penalties on Front Range ozone pollution failures
As deadline passes for the federal agency to declare northern Front Range counties in “severe” violation of ozone caps, clean air proponents want to know when deeper cuts get real.
Federal government, Colorado and mining company reach $90 million settlement in Gold King mine spill
The proposed settlement announced Friday would direct $90 million to cleanup at the Bonita Peak Mining District Superfund site in southwest Colorado
Advocacy groups force Colorado water quality commission to consider upgrades for urban streams
Citing a growing body of environmental justice rules, neighbors and conservation groups use first-time petition process to demand reversal of a 2020 decision they say slighted city rivers.
Suncor must make pollution cuts to meet new haze rules protecting Colorado park views
Environmental groups push for slashing air pollutants from the biggest smokestacks for EPA “regional haze” update, end up winning some, losing some.
Opinion: The air inside Colorado schools needs to be cleaned up
Better ventilation and filtering can help reduce smoke from the outside, Covid-19 on the inside
KC Becker, former Colorado House speaker, appointed to lead regional EPA office
The Democrat was a prime sponsor of Senate Bill 181 in 2019, a measure that rewrote Colorado's oil and gas regulations.
Colorado activists want gas-fired electrical plants to stop spewing pollution over Denver
Neighbors and conservation groups seek earlier closure of Cherokee and Arapahoe power stations. They emit half the CO2 of coal, but are still among the largest polluters in the state.
Colorado dangles free transit on bad pollution days. But will there be anyone to ride? Or drive?
Northern Colorado transit systems struggling to lure back riders can’t restore full service because there aren’t enough drivers and that may be keeping customers away.
Ozone plagues Colorado’s Front Range, state report says, but bids to change it are elusive
Air pollution officials wrap up the “ozone year” with a dire look at summer of ‘21 and rising three-year averages, with little hope for better in near future.