Environmental Protection Agency
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.
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.
Colorado refuses to ease rules for how much pollution gets discharged into rivers and streams
Members of the Water Quality Control Commission said they were shocked by the blowback to a proposed change that would have made it easier for industry, utilities to send more pollution downstream.
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.
Opinion: It’s time to recommit to controlling methane emissions to combat climate change
We need urgent action to curb oil and gas pollutants that threaten our health, especially for those living closest to development.
Four Colorado cities win $2 million in EPA grants to redevelop old sites, from a movie theater to a beet factory
Cleanup and assessment awards will give towns from Craig to Loveland to Trinidad extra economic-development money to solve old problems everywhere from a sugar beet factory to an aging movie house
Colorado air pollution control managers ordered staff to falsify data and approve permits “at all costs,” whistleblowers say
State employees allege a yearslong pattern of illegal state actions designed to speed up permits and avoid scrutiny by the public.
Councilwoman Ortega, Sen. Moreno: “Building back better” means an opportunity for environmental justice for all communities
We can grow our economy while ensuring we leave future generations a healthier planet and future.
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
EPA settles lawsuit with Utah over Gold King Mine spill
Utah’s lawsuit was one of several legal claims filed over the incident, but no other settlements have been reached, the EPA said Wednesday
Many hoped the Gold King Mine spill would bring change. Five years later, they’re still waiting.
A congressional fix for abandoned mines remains elusive and clean up around Silverton has moved at a “snail’s pace.” Experts say the disaster shed light on problems, but didn’t drive change like they thought it would.
Air quality improved slightly during the stay-at-home order. But Colorado still has a serious pollution problem.
Officials have until June 2021 to meet a ground-level ozone compliance deadline set by the federal Environmental Protection Agency.
Colorado, Denver join 25 other cities and states in suing EPA for relaxing clean-car rule
The EPA’s final rule also could impact Colorado’s zero-emissions mandate
Trump administration’s effort to roll back NEPA environmental law draws ire at Denver hearing
NEPA requires federal agencies to determine if a construction or commercial project would harm the environment or wildlife. It gives the public the right of review and input.
After decades of negotiations, restoration efforts on Colorado’s heavily diverted Fraser River are showing signs of success
Waterway improvements in Grand County are impressive, but with major Front Range water projects looming, environmentalists worry gains are just "a Band-Aid."
