The city is racing to put up 277 sensors. Once installed, Chicago will have the most high-quality air monitors in the country ...

"Can be produced and assembled without specialized knowledge or high-tech equipment." Researchers develop foldable ...

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

Lawsuit seeks to upend a vital partnership to advance the development of zero-emission vehicles for commercial trucking, reduce pollution and save money ...

The Trump administration has refused to fund a study that was to have measured toxic air pollution in West Louisville.

While the smoke is worst along the Western Slope where the fires are burning, levels are also fluctuating on the Front Range.

Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s ...

Earlier this summer, a rule change at the Environmental Protection Agency essentially got rid of a rule that would have ...

Satellites, including those used for GPS and communications, will face greater risks in coming decades during solar-triggered ...

MARTINEZ — The Bay Area Air District filed a lawsuit Thursday against a Martinez-based landfill company, alleging the company ...

The City Council dropped a $202 million effort that would have expanded the city’s cooling centers to also accommodate people ...

The university was accused of violating the state’s Air Pollution Control Act by not performing required maintenance and ...