If it passes, Proposition 112 would require any new oil and gas development not on federal land to be set back about a half-mile from homes and "vulnerable areas.”
Energy and Environment
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The fish has a reputation for being fun to catch, but they're causing a lot of trouble for the Pastorius Reservoir.
It's not a guarantee, but El Niño-produced rainfall would relieve parched conditions in many parts of the drought-stricken Southwest.
A possible discharge of water from an old mine site upstream from Left Hand Creek in Boulder County killed an unknown number of fish.
Broomfield residents say the city isn't following guidelines set by a new law to prioritize health and safety over oil drilling.
Cranbeary leaves Tuesday for new digs in Alaska. She and Lee were together for seven years and were unable to produce a cub.
Professor Zoe Donaldson studies how humans grieve the loss of romantic, monogamous partners by researching the tiny rodents.
A new study from the National Center for Atmospheric Research in Boulder predicts more rainfall on fewer, concentrated days leading to more intense flooding.
Justices heard oral arguments in the high-stakes case but did not say when they would rule.
In the United States, Brazil and China, at least two-thirds of the barley grown goes into six-packs, drafts, kegs, cans and bottles.
Environmentalists are challenging a court ruling over whether water from the river is properly accounted for and being used in beneficial ways along the Middle Rio Grande Valley.
Another native Colorado fish population has been returned to healthy levels.
A United Nations report out this week said the world is due for "rapid and far-reaching" changes by 2030 because of global warming.
It's not over yet, too: The long-term effects of drought go on long after the dry weather ends, and the impact of the new USMCA is to be seen.
The long-waited announcement comes as the river's two largest reservoirs, Lake Mead and Lake Powell, have been drained to alarmingly low levels.