By Michael Kohn The Mongolian government is set to step up efforts to reduce air pollution in Ulaanbaatar weeks into a public ...

The federal government alleges Meyer Distributing violated the Clean Air Act by offering and selling devices meant to bypass ...

Congestion pricing features a 40 percent reduction in all tolls for vehicles entering the city’s Central Business District ...

Ancient Rome’s relentless lead pollution may have dimmed the intellect of its citizens, leaving a toxic legacy that survives ...

An Air Quality Alert has been issued for parts of the Inland Empire, as well as Los Angeles and Orange counties.

New research suggests that lead pollution from ancient Roman mining and metal production may have lowered intelligence levels across the Empire.

New research finds that pollution from ancient silver and lead mining during the Roman Empire resulted in lowered ...

A study analyzing Arctic ice cores reveals that lead pollution during the Roman Empire's height contributed to an estimated 2 ...

The World Bank's report highlights the urgent need for green, inclusive, and resilient transport strategies in the Western ...

Under the Clean Air Act, EPA requires an NSR permit — possibly accompanied by stricter pollution controls — when such ...

For decades, policymakers have promised the same solutions, but implementation remains far behind the rhetoric.

You can see it sitting over the Valley... that brown smoky smoggy cloud of pollution. The Arizona Department of Environmental ...