Researchers have found that methane emissions from local natural gas distribution systems across the U.S. have decreased in the past 20 years.
Researchers are taking to the air to measure trace gas emissions over production sites in the Bakken oil fields of North Dakota, the Niobrara shale formation of northern Colorado and Wyoming, and the Four Corners area.
The District of Columbia’s top environmental official will be taking a spin in a new car that’s powered by air.
The plan to cut emissions by 30 percent by 2030 attracted crowds to regional hearings this summer, including Denver.
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.
Colorado health officials have extended air pollution talks through the weekend on a sweeping plan to reduce air pollution from oil and gas drilling.
Growers in the medical marijuana industry are seeing large energy bills, plus criticism from some who say they need to reduce their carbon footprint.
A cement manufacturer in Lyons has agreed to pay a $1 million fine and to install controls to decrease its emissions of the pollutant nitrogen oxide, the U.S. Justice Department and the Environmental Protection Agency announced Friday.
Dozens of drivers getting emissions tests for their cars apparently also got swindled when they paid for the test.
State Senate Democrats have killed a Republican proposal to waive vehicle emission inspections in Larimer and Weld counties.