Colorado Air Quality Control Commission
Regional board to approve ozone action plan, but a Colorado coalition wants much more done
The staff of the Regional Air Quality Council admits its plan won’t reach EPA limits, and environmental groups demand far stricter caps on the toxic air.
Report that oil field methane emissions are down by half is wrong, Front Range cities with own pollution monitors say
Broomfield, Boulder County, Erie and Longmont are tracking air pollution with their own network of ground-level sensors
Colorado oil and gas companies said a 2019 state law would destroy them. That didn’t happen. But here’s what did.
Colorado oil and gas regulators applying the new rules set by Senate Bill 181 have plans for 1,900 wells to consider so far this year, some are already approved.
Colorado air pollution regulators are so behind that they didn’t get around to a hearing on one company’s permit for 13 years
The Terra Energy facility is one of at least 60 past the deadline for new or renewed air pollution permits in Colorado. The backlog has included landfills, factories, tank batteries and compressor stations.
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’s Air Quality Control Commission rejects citizen petition to get faster clean trucks rules
A coalition led by Colorado GreenLatinos, the City and County of Denver, NAACP Colorado and more asked the commission to draft rules and pass them by the end of this year
Opinion: A state mandate for zero-emission trucks is a matter of environmental justice
Transportation is the top source of Colorado’s air pollution, and minority communities are disproportionately impacted
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 needs to cut greenhouse gas pollution from industry. They’ve put it off until 2023.
State officials say their rulemaking plan will make deeper cuts across more factories. Environmental advocates say it’s delay and betrayal all over again.
Colorado delays key clean truck rules until 2023. Environmental justice groups are furious.
Air quality officials appeared to be on a timeline to adopt California’s truck cleanup this year as a linchpin of greenhouse gas and ozone reform, but state regulators say it can’t get done.
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.
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.
Colorado agreed to cut greenhouse gas emissions. But first they exempted the biggest polluters.
Industrial facilities have to cut CO2 by 20%, but if they make steel or cement, it’s only 5%. Here’s why.
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.
Colorado regulators move forward with controversial new rule to slash greenhouse gas emissions
“We can’t keep doing the same thing over and over” to cut oil and gas emissions, strategist says as first-in-the-nation “intensity target” regulation moves on to full hearing in December.
A new rule to slash oil and gas emissions appeals to the industry, but Colorado activists worry it won’t work
The proposed "intensity target" rule aims to slash carbon emissions from the oil and gas industry by 60%. But the targets are based on data that doesn’t exist.
Colorado violates EPA ozone standards again as business groups cheer gutting of draft commuting limits
The Front Range passed another grim milestone of violating U.S. ozone caps, but state air pollution regulators have just weakened a proposal to cut solo commuting by employees.
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.
How much damage does climate change cause in Colorado? Leaders are trying to put a price tag on it.
There are growing efforts -- in Washington and at the Colorado statehouse -- are trying to determine the social cost of carbon so they can put a price on greenhouse gases for the economic damage they wreak
Suncor refinery’s bid for new permit gets rough hearing as advocates want to “end the cycle of problem, apology, repeat”
Refinery neighbors, environmental advocates say pollution controls should come with new Suncor permit