Environment

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.

As part of its expanded waste services program, the Mile High City is working to get every household its own compost cart in addition to weekly recycling.

Colorado Parks and Wildlife successfully captured five gray wolves in Oregon and released them in Grand County as part of the state’s reintroduction plan.

The Nederland resident plans to start his 5,000-mile solo row tomorrow to raise awareness – and funds – to combat the effects of climate change.

Cultivando and 350 Colorado were both meant to get money from the EPA before finding out the process was too much of a hassle for the community nonprofits.

The West Sopris Soil Refuse Project tackled seven acres of coal waste by the lake.

As president, he created the National Renewable Energy Institute in Colorado.

The president of Xcel Energy Colorado sat down with an environmental watchdog for a heated discussion of the company’s profits and monopoly status.

This group wants to preserve Colorado’s core values.

The Colorado Air Quality Control Commission got hit with a lawsuit this week challenging a rule for air permits in disproportionately impacted communities.