Add Yahoo as a preferred source to see more of our stories on Google. Landfills are a major problem for the climate: They’re the United States’ third-largest source of methane, a greenhouse gas that ...

Landfill methane is a focal point in the broader climate conversation as regulators, policymakers, and the public continue to ...

Colorado is making great strides in clean energy and electrifying transportation. But there’s an untapped opportunity for us from an unexpected source: our trash. By updating how we regulate ...

Getting your Trinity Audio player ready... Landfills in Colorado release millions of metric tons of greenhouse gasses each year as organic waste including food, paper and yard trimmings decomposes ...

Operators of heaping trash piles will one day have to put a lid on their methane emissions, as Colorado begins the process of adopting stronger landfill rules. Earlier in December, the state health ...

Denver and WM, one of the nation’s largest waste companies, will soon turn the city landfill into Colorado’s first garbage dump that converts methane into renewable natural gas — repurposing a ...

Speakers from GHGSat and Tetra Tech shared how the industry is moving beyond detecting emissions and toward using data to ...

Parts of the U.S. may be emitting much more of one of the most potent greenhouse gases than previously thought, according to ...

The Colorado Air Quality Control Commission voted on Thursday to approve a new comprehensive landfill gas regulation, putting the state’s rules ahead of federal regulations for the first time. Next ...

Editor’s note: The Colorado Air Quality Control Commission on Dec. 18 approved new regulations to reduce methane emissions from landfills in Colorado. Denver and WM, one of the nation’s largest waste ...