Environment

Colorado is suffering through another long, hot summer that’s burning through memories.

Despite airborne firefighting efforts, the Quarry fire remained at 0 percent containment Thursday morning.

When smoke is in the air, doctors urge people to stay indoors. But what happens to trees and other plants that can’t escape?

Across the state, wildlife-vehicle collisions are estimated to cost $80 million a year.

“Anyone that’s paying attention, I think would realize that this program is not a success.”

Environmental groups are pleased that the plan doesn’t rely on certified natural gas and hydrogen, with rebates coming for electric heat pumps.

The plaintiffs have documented over 9,000 violations of emissions requirements over the last five years.

After falling from 2nd place in 2020 to 99th (ow!) last year, the Mile High City now ranks 40th best.

Only 12,000 people have received bins since the program started in January, and Denver City Council wants to know why.

High scores in eco-friendly building policy and electronic vehicle charging helped Denver move up in the national ranking.

Allergies are hitting harder and lasting longer as higher temperatures allow pollen and weeds to flourish.

Get a glimpse inside the eye-catching, sustainably built hotel by Civic Center Park designed to look like an aspen tree.

It’s too late to get your own tree this time, but Denver-area residents can join a list for future planting events.

High winds and drought could contribute to big fires in the state, and officials emphasize that everyone should be prepared.

In 2018, Terumo BCT was identified by the EPA as a source of increased cancer risk to nearby residents.

The state’s landscapers aren’t opposed to transitioning to electric equipment, but they want more incentives and a careful rollout before restrictions hit.

A 2023 study estimated there are almost 60,000 unplugged oil wells in Colorado.

The latest balloon probably won’t be the most famous in Colorado airspace history.

“The point is to have a greater impact and a greater conversation about these issues that directly affect our health, and have an impact on the nature that we love to go out and run around in.”

“What’s striking here is both the breadth and the intensity of support that voters offer for taking action to conserve lands in the West.”

Preliminary numbers indicate DIA processed 12,000 tons of trash in 2023 and sent 21 percent of that waste to recycling or composting instead of the landfill.

After seven years, Madhvi Chittoor’s fight to restrict single-use plastic has finally paid off.