Colorado Air Quality Control Commission
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
Effort to force Colorado to cut greenhouse emissions faster exposes exasperation with Polis administration
“I am highly frustrated where we are now,” Sen. Kerry Donovan, a Vail Democrat, said.
Opinion: Unelected commissions and boards are running a large part of Colorado government and your life
When there are big, weighty decisions to be made, we should put the power in the hands of those who are closest to the people and most likely to hear their voice.
Sen. Winter, Rep. Jackson: It’s time for climate action and justice in Colorado. Our bills will help us get there.
While progress to reduce emissions has been made, voluntary commitments and incentives will not be enough to reach our climate goals and protect our Colorado way of life. We need enforceable climate action now.
Colorado Democrats want to accelerate the governor’s emissions reduction roadmap. Polis says he’s not on board.
Climate goals and deadlines to reach them would be set in state law under Senate Bill 200. Some of the work would be funded by charging polluters a fee for each ton of carbon dioxide they release.
Ambitious plan for cap-and-trade greenhouse gas cuts rejected by Colorado Air Quality Control Commission
Environmental Defense Fund and allies want tougher, faster cuts to climate change pollutants, but commissioners and Gov. Jared Polis says the plan is too complex and current rules should get time to work.
First-in-the-nation rule to slash methane emissions from Colorado oil and gas operations relied on compromise
Industry and environmental groups worked out a way to reduce emissions from new wells and old ones that contribute to Colorado’s ozone problem.
The road to greenhouse gas cuts: Are Colorado drivers ready?
Power plants and oil drillers are cutting back emissions, now this is the year your car gets involved.
Colorado regulators target tiny oil field device that’s a big contributor to greenhouse gas, ozone pollution
Even major oil companies admit that tens of thousands of pneumatic controllers should be upgraded to prevent natural gas from seeping out
Colorado governor releases final plan to reduce emissions by 90%. It’s still too vague, environmentalists say.
The Air Quality Control Commission is responsible for reducing carbon dioxide emissions from millions of vehicles and industrial and office buildings
An environmental group claims 70% of Colorado’s greenhouse gas emissions come from oil and gas. But that’s in dispute.
350 Colorado’s worst-case scenario modeling suggests oil and gas should be gone from the state by 2030 to slow climate change.
Colorado is behind on targets to cut greenhouse gas emissions. How far should the state push industry to get there?
Critics say the governor's roadmap is guided by "wishful thinking" rather than binding mandates to cut emissions blamed for climate change.
Opinion: Delays in closing Colorado coal plants are costly in money and air quality
Colorado air quality regulators update plan to lower ozone levels and align with EPA standards
The new State Implementation Plan comes as the Front Range anticipates a downgrade in its ozone compliance status
Order to close three Colorado coal-fired power plants early reversed, regulators cite “incomplete” information
Colorado’s Air Quality Control Commission said issues around closing plants a year early were too complex
Ambitious plan to reduce CO2 emissions still leaves Tri-State getting 23% of electricity from coal plants
The state’s second largest electric provider plans to spend $21 billion to add renewable sources and battery storage. Natural gas is in the mix.
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.
“Flaring” at oil and gas wells to be curtailed as Colorado regulators adopt some of nation’s strictest rules
The practice of burning off natural gas is relatively rare in Colorado, but tough rules on flaring and venting may help the state meet greenhouse gas reduction goals.