Climate

Two of Colorado's largest cities are working together because they have the same problem: Planners don’t think they have enough water where they are to support the cities’ expected growth.

The South Platte and Arkansas river basins are closer to average after last week’s precipitation, but the Western Slope remains painfully dry.

Rivian will install the stations at each of Colorado’s 42 state parks at no charge, as state officials move to expand electric grid needed for changeover from gas to electric cars

Democrats and tribal groups hailed Haaland’s confirmation as historic, saying her selection means that Indigenous people will for the first time see a Native American lead the powerful department where decisions on relations with the nearly 600 federally recognized tribes are made.

The weekend snowstorm closed roads, shut down Denver International Airport for two days, and kept schools, businesses and governments closed on Monday

Families trying to balance rising utility bills against stagnant or declining income sometimes use risky strategies to keep their homes warm during frigid weather.

Northern Water wants to flood a valley southwest of Loveland, but the water comes from Grand County, prompting lawsuits over what some say is a devil’s bargain

New drilling permits spiked during Trump's final months in office. As a result, some companies with the biggest presence on public lands have announced that they are ready to weather changes under Biden.

Tri-State is cleaning up the way it generates electricity, but 7 members, including United Power in Colorado, want to know if they can afford a greener deal outside the partnership.

Republican lawmakers in Utah approved an entity that could push for more of their state's share of Colorado River water as seven Western states, including Colorado, prepare to negotiate how to sustain a river serving 40 million people.

A long-term ban on lease sales from the nation's vast, publicly-owned oil and gas reserves to address climate change would fulfill a campaign pledge from Democratic President Joe Biden

The state needed an above-average snow year this winter to reverse the drought’s momentum. Forecasts for the next few months aren’t optimistic, either.

Xcel still needs the blessing of state regulators and the agreement of other Colorado utilities before the $1.7 billion project to build 560 miles of transmission lines proceeds.

Electricity from the state-of-the-art coal-fired power plant near Pueblo costs 45% more than forecast, Colorado Public Utilities Commission reports. Xcel says Comanche will be used as a backup to renewable generation after 2030.

Maybe it's time to give up on developing new Upper Basin projects, the Center for Colorado River Studies says, after all demand has been flat for three decades.

Eye-in-the-sky technology is bringing avalanche science into the 21st century, enabling forecasters with better tools for predicting threats in Colorado’s backcountry.

Big new solar and wind projects are planned to get Xcel Energy to 80% renewable generation in Colorado, but fossil fuels still will be needed to balance the system.

The embattled oil and gas industrial site pledges to tell Commerce City, Globeville-Elyria-Swansea and others when new incidents occur through texts and phone alerts

“Colorado Ain’t Texas,” Jared Polis’ office says in letter warning about high prices Xcel and others paid during February storms

Colorado’s largest electricity provider expects to have 4,400 MW of wind power by the end of the year. Details are expected in Xcel’s resource plan Wednesday.