At the Heartland Biogas Project, spoiled milk, old pet food and vats of grease combine with helpful bacteria in massive tanks to generate gas. It's all thanks to anaerobic digestion.
The two states, Nebraska and Oklahoma, began legal proceedings months after Colorado began allowing marijuana dispensaries to start selling pot for recreational use at the start of 2014.
Tourists who indulge in legal marijuana in Colorado are more likely to end up in the emergency room with cannabis-related problems than are state residents, a study finds. Talk about a bad trip.
Though Denver's water supply is clean, health officials in Colorado are battling the stigma tap water acquired after the contamination in Flint, Mich. A Latino community group has stepped in to help.
After Super Bowl 50, will the Colorado Symphony Orchestra be playing "Sweet Caroline"? Or will a Charlotte, N.C., brewery employee be getting a Broncos-themed tattoo?
Colorado voters made the state the first to legalize recreational pot. In 2016, a ballot initiative could establish another first: a single-payer health system that provides universal coverage.
The two states in the news over the past week with high profile mass shootings have taken big steps in recent years to tighten gun laws. Is a focus on open carry or mental health the best way forward?