A study by researchers at the University of Colorado and the University of Minnesota uses long-term data on twins to assess the impacts of cannabis legalization
The company’s five resorts here are seeing mellow traffic despite well-above-average snowpacks
We asked recycling and reuse experts to take on a reader’s dilemma about retiring perfectly good fossil fuel-powered machinery.
The state’s Equal Pay for Equal Work law influenced new laws in other states. But it wasn’t perfect, apparently. Plus: Wage-transparency violators fined, other labor bills and more.
Federal and state mining regulators are investigating the rock slide at the quarry owned by Rocky Mountain Industrials, which is proposing a controversial mine expansion
Power company hailed for 10 MW storage site the size of a football field that can hold days of electricity from wind and solar to bolster the Colorado grid
Developed in 1857, tech improvements are making heat pumps a viable element in the contemporary transition to cleaner, more energy efficient homes.
State utilities regulators called a hearing to discuss how — and if they can — lessen impacts of frigid weather and pressure in the natural gas market
We sorted through new and tantalizing layers of federal, state, Xcel and local credits for buying clean heat pumps, water heaters and more
The government alleged in the complaint that Google is looking to “neutralize or eliminate” rivals in the online ad marketplace through acquisitions and to force advertisers to use its products