Wondering why modern heavy machinery no longer spews black smoke? Discover the massive technological shift that changed ...

The American Lung Association warns that breathing the fine particulate matter and chemicals released by exploding fireworks ...

The department says the air quality readings at two nearby schools remained normal following the incident.

Lemont residents oppose a petition by Citgo Refinery to loosen emissions standards at an Illinois Pollution Control Board ...

Hourly concentrations of particulate matter rose to 6.7 times their pre-fireworks levels, according to an analysis ...

Grist reports that controlled burns reduce wildfire risks and costs, saving $3.73 for every dollar spent on treatments, ...

Millions of households that cook with gas ranges face an invisible threat: benzene, a known human carcinogen, can accumulate ...

The State of the Air report ranks Eugene-Springfield as polluted. That may shock residents, so here's what's behind the ...

Smoke could be seen filling the sky.

The weeklong Lineage warehouse fire coincided with a surge in hospital visits from Angelenos concerned about throat pain and ...

We continue our coverage of wednesday's town hall meeting on the proposed gas plant -- there were experts who spoke --Linn ...

The Department of Environment (DOE) acted swiftly to investigate following a viral report on social media regarding the release of orange ...