Tri-State, under pressure from its member co-ops to change or fall behind, is shifting to renewable energy
Giant power provider on the verge of deal with departing utility says it will shutter coal-fired plant in Nucla two years early as it retools carbon-emissions goals.
Interior Secretary Bernhardt came home to Colorado — and the swamp monsters were waiting for him in VailBy Jason Blevins Environment Primary category in which blog post is published
The Democratic-led General Assembly is analyzing topics ranging from school safety and college affordability to private prisons and tax breaks
Trump administration says its decision to lift moratorium on coal sales from public lands won’t increase emissions
About 40% of coal burned in the U.S. comes from federal leases, primarily in Western states including Wyoming, Colorado, Utah, Montana and New Mexico
Xcel wants to hike your electricity bill to cover the cost of new customers, prevent wildfires and boost returns
A proposal before Colorado’s Public Utilities Commission would increase the average bill of a residential customer in the state by 6.5%
Some environmentalists and community activists have demanded the commission stop issuing permits until the new rules are complete
The Colorado Oil and Gas Conservation Commission's first formal hearing since Colorado's new oil and gas regulation bill was passed is Monday, but it was not yet clear whether members would start the rulemaking process
If Colorado becomes a Zero Emission Vehicle state, automakers must make 5% of their inventory electric vehicles by 2023. Automakers, however, offered an alternate EV plan
Colorado trash companies invest millions to speed up recycling. Now they just need more people to recycle.
U.S. firms are reopening paper mills, expanding plants to turn recycled waste into something useful and need more glass, plastics and paper
The Colorado Sun took home big honors in recent weeks from the Best of the West and Society of Professional Journalists “Top of the Rockies” awards
How most the new state laws will affect Coloradans will take weeks, months or years to see. But others are more immediate.