Opinion: Through his veto threat, Polis is failing to deliver on campaign promises on renewables and climate change
The governor must keep his campaign promises and step into being a climate leader. He must support a climate bill – one that ensures we meet our greenhouse gas reduction goals.
Colorado attorney general launches probe of whistleblowers’ air-pollution control complaints
Phil Weiser’s office asks for a third-party investigator to assess internal employee complaints that the Air Pollution Control Division ignored the law and falsified data
Colorado governor strikes deal on oil and gas measures, but advocates say it won’t end ballot wars
Key environmental leaders were not included in Gov. Jared Polis' agreement, and some are considering future ballot questions on oil and gas
Activists are trying to reinstate Longmont’s fracking ban, arguing its now legal under new Colorado law
Colorado Rising and Our Longmont filed a motion in District Court seeking to reopen the case that led the courts to overturn Longmont's ban
The oil and gas bill is nearing final approval. Here’s a look at the concessions the industry won.
Democratic lawmakers in the House made a handful of changes to limit regulatory authority, but the industry advocates aren’t cheering yet
Colorado Supreme Court sides with oil and gas in major ruling on environmental regulations
In the closely watched Martinez case, the court says the Colorado Oil and Gas Conservation Commission doesn't have the power to make health concerns a priority
Emotional video from Proposition 112 backers features brother of man killed in Firestone explosion. The oil and gas industry says the two are unrelated.
The ad injects a new level of emotion into the battle over Proposition 112