Energy

Gas bills for Xcel Energy customers would rise 11 percent under a cold weather cost plan approved by judge

First-of-its kind project in Colorado will bury 350,000 tons of planet-warming carbon that would have been released into the air

Air quality, wildfires and building codes: Here are the climate bills headed to Gov. Jared Polis’s desk

Colorado’s oil and gas industry withdraws proposed 2022 ballot initiatives

Colorado oil regulators warn of ‘final opportunity’ for well operator to clean up its sites and avoid millions in fines

A goofy, Colorado-made electric car is finding a second life with hobbyists

The federal government will make the unprecedented move to hold back water in drought-stricken Lake Powell

Biden administration resumes oil and gas leases on public lands, but significantly cuts back where that can happen in Colorado

Colorado’s largest coal-fired power plant could close four years earlier than proposed, documents show

Is Xcel Energy making too much money? Colorado voters could get the chance to decide

Colorado Democrats make the case for pausing the new gasoline fee they passed last year

The EPA moves to declare the Front Range a ‘severe’ air quality violator. Here’s why that matters.

Thousands walked to Coors Field for the Rockies opener. Activists saw a good opportunity for a climate rally.

Conservative lawsuit aims to derail Colorado Democrats’ $5 billion transportation plan

Colorado’s Diana DeGette and other lawmakers grilled oil executives over high gas prices in congressional oversight hearing