SB712, which Jay Leno supports, aims to provide a rolling smog exemption for vehicles older than 35 years, meaning they ...

The Happy City Index ranks 200 cities across 82 metrics that add up to a global happiness quotient—these cities made the cut.

Before the EPA, the US environment was not federally protected. Vintage photos show Los Angeles before regulations limited ...

A team of health and environmental researchers affiliated with multiple institutions in Belgium, working together due to a ...

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents ...

The most recent State of the Air report by the American Lung Association found that more than 150 million Americans breathe ...

WATCH: India has 8 out of 10 most polluted cities in the world. Why? Can it beat air pollution? (46:51) Yet, pollution is hardly a political issue in the country, and living with polluted air has ...

She has previously extensively covered stories within the ... with failing grades for all three types of air pollution measured. The cities with the worst year-round particle pollution included ...

Los Angeles has struggled with air pollution problems since before ... and the 72nd worst city for air quality in the world. In fact, multiple cities in California continue to rank among the ...

Experts believe the Himalayas are probably the worst affected mountain range in the world given their location in a populous ...

In 1943, smog covered the city so thickly that residents thought ... and the 72nd worst city for air quality in the world. In fact, multiple cities in California continue to rank among the worst for ...

Ludhiana: As Ludhiana earns the dubious distinction of being among the most polluted cities in the world, air quality data ...