Add Yahoo as a preferred source to see more of our stories on Google. The Suncor oil refinery in Commerce City is one of Colorado's largest sources of air pollution. (Chase Woodruff/Colorado Newsline) ...

The new rule marks the latest in a series of steps taken by the Trump administration to protect U.S. Steel and Cleveland-Cliffs. EPA Administrator Lee Zeldin has secured another Clean Air Act ...

Colorado regulators are working on a new permitting system for five toxic air pollutants that will cost millions of dollars to implement — a plan that will need legislative approval during a tight ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: Fisk Coal Station’s dormant smokestack is visible from Dvorak Park in Pilsen, a predominantly Mexican community in ...

WASHINGTON — The Trump administration announced on Friday it will roll back air regulations for power plants limiting mercury and hazardous air toxics at an event in Kentucky, a move it says will ...

In an effort to create more energy, the Trump Administration’s Environmental Protection Agency Friday announced its plans to loosen limits on mercury pollution from coal- and oil-fired power plants.

Long-term inhalation of toxic air appears to dull the protective power of regular workouts, according to a massive global study spanning more than a decade and over a million adults. While exercise ...

Have you ever stepped outside and felt a sharp pain in your chest or a slight dizziness, especially on smoggy days? Many people go about their daily lives without realising the hidden dangers of air ...