The source of the Colorado River in the Rocky Mountains is drying up, threatening a critical water lifeline for about 35 ...

A consumer representative group filed an amicus brief on Thursday challenging Colorado’s lawsuit against national energy ...

Students drove change in what Colorado public school students are expected to know about climate change. With a bipartisan 7-2 vote, the State Board of Education voted on Thursday to change science ...

What began as a hobby for CU Boulder economics undergrad Lucas Gauthier came together as a photographic portfolio documenting the already-evident and potential effects of climate change Lucas Gauthier ...

Every Democrat running for attorney general supports a lawsuit that Boulder has filed against the oil and gas industry.

Students from across Colorado are watching closely to see if Colorado’s state board of education Thursday adopts science standards that clarify the link between burning fossil fuels and rising global ...

Shorter ski seasons, hotter summers, longer wildfire seasons, increasingly burdened infrastructure and other climate-related impacts could cost Colorado up to $37 billion by 2050. This is according to ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Colorado may soon become the first state in the U.S. to require climate ...

Wildfires are accelerating at a pace so fast that the trees burned can't be replaced fast enough. In some cases, the fires make the ground so hard that the soil is washing away down slopes. Now, ...

There is a slow-motion catastrophe unfolding across the American West, and most people living inside its shadow don't fully realize it yet. The Colorado River, a 1,450-mile lifeline carved through ...

Earlier this year, the Colorado Supreme Court allowed Boulder County to pursue a cockamamie climate-change lawsuit against several energy companies, alleging various state tort-law claims. The ...