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.
An attempt by northern Colorado Republicans to get out of vehicle emissions testing has cleared an early hurdle — but the bill faces an uphill battle before becoming law.