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Hamburger helper: Beef fat may be coming to help fuel a fancy jet near you

Tallow-based fuel is advertised to cut carbon output of jet flights by 25%

Bulkheads caused the Gold King Mine spill. Could they also be part of the solution?

Remediation tool can limit acidic drainage, but experts must also understand the complicated hydrology

Colorado needs to cut greenhouse gas pollution from industry. They’ve put it off until 2023

State officials say their rulemaking plan will make deeper cuts across more factories. Environmental advocates say it’s delay and betrayal all over again

New rules to curb oil and gas emissions across Colorado

More stringent leak detection, pollution regulations will help state meet air quality, climate change goals

Durango is a top recycler, but Colorado lags

State recycled and composted only 15.3% of its waste in 2020

‘Trouble in the Air’ report identifies 62 elevated ozone days last year in Durango

Environment Colorado used EPA data to map pollution

La Plata County wants to clear the air about toxic gas at Bayfield landfill

State health department issued order in 2016 directing expanded remediation

Polis signs climate bill, renews opposition to cap-and-trade program

Governor seeks to reduce emissions through voluntary agreements and targeted policies

Colorado Supreme Court orders La Plata County to clean up toxic landfill

Bayfield dump leaking toxic gas since at least 2004

Colorado governor, Democrats reach deal on emissions proposal

Environmental groups cheer changes, while business and energy sectors cry foul

Polis threatens to veto bill seeking to reduce greenhouse gas emissions

‘We’re not willing to give dictatorial authority over our economy to one unelected board’

EPA settles with Utah over Gold King Mine spill

SALT LAKE CITY – The U.S. government settled a lawsuit Wednesday brought by the state of Utah over a mine waste spill caused by federal workers that sent wastewater downstream to several sta...