As people return to the structures spared from Los Angeles wildfires, experts warn that they should be careful of the air ...

Federal environmental regulators have proposed a new rule to slash carcinogenic air pollution from chemical plants prevalent ...

Southern California chokes under hazardous air as wildfires rage, leaving residents and pets struggling to breathe ...

California has decided to abandon its phase out of diesel trucks and requiring cleaner locomotives because of the incoming ...

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

An Environmental Protection Agency action expected Wednesday will unfreeze $150 million in paused Fairbanks-area road ...

Both permits were long overdue when CDPHE’s Air Pollution Control Division submitted them to the EPA for approval. Under ...

From the time you get up in the morning until you go to bed at night, and even while you are asleep, the U.S. Environmental ...

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...

While Chevron’s new petrochemical furnace will lower its intensity of carbon emissions, it will also increase other harmful ...

Twelve Texas counties have recently exceeded federal air quality standards for particulate matter, commonly known as soot. But Texas environmental regulators are proposing that only four of them be ...

Following power plant closures and EPA intervention, Detroit and Downriver are seeing lower levels of SO2 pollution. One ...