Sam Brasch

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.

Colorado is investigating the cause of last week's wildfire. The state, however, doesn't have a very good track record when it comes to determining the cause of those fires.

Tens of thousands were forced to flee and hundreds of homes burned after high winds pushed wildfires across several communities outside Denver.

Colorado is fighting poverty and climate change by retrofitting low-income homes. The state is expected to get a boost from the new infrastructure law. (Story originally aired on ATC on Dec. 2. 2021)

The Biden administration wants to crack down on climate-warming methane emissions. Success will depend on a growing new industry in high-tech ways to detect methane leaks.

As coal plants shut down, many places face the loss of jobs and taxes. But in Colorado, one town hopes to transform a coal plant into a new kind of renewable energy storage.

After years of frustration over air pollution, a petroleum refinery in Colorado agreed to a settlement. Nearby residents are spending some of that money to set up air monitors around the plant.

Evolving technology is making it possible to turn sewage wastewater into energy that can heat and cool large buildings. The largest such project in the U.S. is under construction in Denver.

The move challenges a long tradition of leaving wildlife management to governments, not the public. But the vote was narrow, reflecting many people's serious concerns about bringing wolves back.

In November, Coloradans are set to vote on whether to return wolves to the state. The ballot initiative may be the first time voters in any state could force reintroduction of an endangered species.