Sam Brasch

New electric vehicles can be expensive, and tax credits and other incentives to buy them hard to navigate. But one woman in Colorado drove home from a dealership with a used EV for less than $700.

When two Colorado mountain towns considered steps to transition local homes and businesses away from fossil fuels, they ran into a powerful opponent: their local gas utility.

Five gray wolves now have a new home in Colorado. It's part of a plan to restore biodiversity and reintroduce the predators, 80 years after they were eradicated in the state.

Methane is a greenhouse gas that often leaks from drilling sites and pipelines. A new satellite will hunt for methane leaks worldwide, which could significantly slow down global warming.

Colorado is leading the way on standards for green hydrogen, a young industry that could play a major role in helping the U.S. meet its climate goals.

In most states, utility ratepayers subsidize the cost of extending service to a new customers. Colorado could join California in getting rid of the incentive as the states work to meet climate goals.

More than 1,000 homes were lost in the Marshall fire in Colorado last December. Now residents are wondering if they can afford to rebuild energy efficient, resilient homes.

The Energy Department recently updated efficiency rules for manufactured homes. Energy efficiency advocates wanted higher standards — while the industry warns the rules will raise home prices.

On Earth Day, Colorado climate activist Alan Bruce lit himself on fire outside the U.S. Supreme Court. He died of his injuries the next day. His friends and family say his intentions remain unclear.

The Marshall Fire destroyed more than 500 homes in Louisville, Colo., in December. Homeowners who want to rebuild face a new set of green building codes. To some, they look like an expensive obstacle.