Environment

Sponsors added a tax incentive but it was not enough to get the bill passed.

A new report from the American Lung Association finds about half of U.S. children are living in areas with unhealthy air quality, and several Mountain West cities rank among the most polluted in the country.

New EV sales are down 64% and plug-in hybrid sales are down 73% from last year, dragging down overall vehicle sales in Colorado by nearly 20%.

Earth Day 2026 is Wednesday, April 22. Communities across Northern Colorado are marking the week around the occasion with a variety of events. Here’s a rundown of what’s happening near you.

The effects of climate change can be seen across Colorado – from farms on the eastern plains to the Ponderosa pine forests in the high country. Today on In The NoCo: We explore some of the most noteworthy signs, and why some experts say it’s not too late to slow some of the impacts.

The Western U.S. is seeing an increasing number of wildfires that spread quickly and cause more destruction than a typical wildfire. And experts say so-called "fast fires” – like the 2021 Marshall Fire that burned around a thousand homes in Boulder county – are likely to increase in the coming years. A wildfire expert from CU Boulder explains what makes fast fires so dangerous, and how communities might respond differently to them.

The study comes in advance of the upcoming midterms

Health and environmental advocates vow to fight it in court

Environmental advocates have long warned that the state wasn’t doing enough to reach its goals.

Environmentalists point to policies ensuring developers take part in a statewide review process, pay for burdening power grids and limit emissions.