air pollution
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’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: These two bills would help reduce toxic exposure
The benefit would be felt most by northeast Denver’s heavily polluted neighborhoods
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
Suncor gave an update on new pollution monitoring. Neighbors weren’t impressed, politicians wanted more oversight.
Colorado demands certain industries show the pollutants escaping their boundaries. Suncor’s plan was done first, but now Bennet and DeGette want more scrutiny on the refinery.
Opinion: Shift Colorado’s transportation priorities away from asphalt and toward mass transit
We’ve added lanes forever, and what’s the result? More driving, more pollution
Opinion: Colorado can’t control all parts of air pollution. But it can control some. Let’s focus on those
That means cars, power plants, city density, and oil drilling
Western boom cities like Denver see spike in harmful ozone
Ozone levels in Colorado’s Front Range, along the eastern edge of the Rockies, are among the highest in the country — and this summer were the worst on record there
Closing a coal-fired power plant in Pueblo to meet Colorado climate goals is easier said than done
The fate of Xcel Energy’s Comanche 3 plant is tangled at the crossroads of emissions and economics
Colorado tightens air pollution rules after staff shake-up, whistleblower complaint
Policies that weakened oversight of small polluters have been tightened. But they still may have "backdoor exits" one environmental group says.
Colorado air pollution director Garry Kaufman reassigned after conflict of interest investigation
A special investigator found a failure to report professional conflict and raised questions about Colorado’s pollution modeling. Kaufman is moved to a newly-created job less than a month later.
Whistleblowers raised valid concerns about Colorado air pollution monitoring, probe finds, but problems were unintentional
An independent investigation commissioned by the Attorney General also says boss of Air Pollution Control Division should have disclosed his prior work for Newmont Corp. when a pollution permit for a Teller County mine came before him.
WHO says air pollution caps should be much tougher in Colorado, U.S.
Influential world health monitor issues strict guidelines calling for steep cuts to ozone and particulate PM2.5 emissions in Front Range counties that saw sharp spikes in both this past summer.
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.
Opinion: Environmental justice led the way in Colorado’s legislative session
Lawyered up, educated and networked, we’re equipped to make even more progress together
Here’s what you need to know about Colorado air pollution — and what you can do about it
A heat wave spikes ozone levels to “Unhealthy” on the Front Range, and Sun readers have questions. We sought some of the top air experts in the state for your answers.
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
