The American Lung Association believes the air quality in Denver is deteriorating.
Colorado’s plan for meeting new EPA rules for carbon pollution is already under scrutiny and it’s not even written yet.
A new study by the U.S. Geological Survey says more data is needed to be able to say for sure if a link exists between unconventional oil and gas development and degraded water quality.
For most voters this midterm, it is indeed the economy, stupid. And Mark Udall, the Colorado senator now in the political fight of his life, agrees that’s true. But voters might not know it from his ads.
Colorado residents who’ve spotted large low-flying aircraft in recent days needn’t worry.
Out of all the states in the nation, Colorado offers the best sneak peek at what the nation would look like once President Barack Obama’s energy regulations take effect.
A new report released from the American Lung Association shows there is still room for improvement of air quality across Colorado.
A Longmont man and his business have been charged with discharging sewage into a river.
Mesa County health officials have issued a health advisory due to high levels of smoke in the Grand Valley.
The U.S. Environmental Protection Agency has given final approval to Colorado’s strategy to reduce pollution, which relies on switching some coal-fired power plants to natural gas.