Environment

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.

Sermon on the mount: Climbing is a holy activity in Colorado, and I sinned.

The city is asking residents for feedback on its plan to get more materials recycled and composted instead of heading to the landfill.

“SACRIFICED in favor of CONCRETE,” reads a makeshift memorial set up at the location of the chopped trees.

Can carbon sequestration help cool down global warming?

The disease devastated the urban canopy in the 1970s, but had disappeared by 2011. Or so the city thought.

The state is requiring all gas utilities to reduce greenhouse gas emissions, and Xcel Energy is up first.

The Environmental Protection Agency has partially sided with environment groups that argue the state’s actions on Suncor’s air permit weren’t enough.

Dr. Edward Teller, father of the hydrogen bomb, was in the crowd gathered for the 1969 explosion at a remote site in Colorado.

She’s one of only two Indigenous female guides in Colorado.

Colorado’s only refinery kept the money flowing to investors rather than making facility improvements.

The last round took place on May 30; applications opened at 11 a.m. and were gone by 11:06.

Bryan Scarbeary wants to climb Everest one day. He started smaller.

Mother Nature isn’t responsible for every earthquake in Colorado.

Local volunteers from West Denver Trout Unlimited are helping push the effort to create an integrated water management plan for the Clear Creek watershed.

People who live near the Zuni Generating Plant along the South Platte River are worried Xcel Energy will knock it down instead of preserving it.

With two PUC meetings coming up to address rising electricity rates, energy advocates say it’s time for Denver residents to turn up the heat on Xcel Energy.