Pollution in the Vietnamese capital of Hanoi, home to almost 9 million people, reflects the environmental cost of the Southeast Asian nation’s explosive growth.

Environmental advocates said the proposed biofuels transfer station would mark a retreat from the city’s fight to curb ...

25 Cities with the Worst Air Pollution: Long-term Particulates. Bakersfield, Calif. Pittsburgh/ New Castle, Pa. Los Angeles/Long Beach/Rierside, Calif. Visalia-Porterville, Calif.

Pollution levels dropped, but the city’s 9 million people — 22 million including suburbs — rarely see a day when air pollution levels are considered “acceptable.” ...

And in the United States, Los Angeles—a city reliant on cars for transport and notorious for its air pollution—experienced its longest amount of time in meeting WHO air quality targets during ...

HANOI, Vietnam (AP) — Vietnam will ban fossil-fuel motorcycles and mopeds in the heart of the capital, Hanoi, starting July ...

Vietnam will ban fossil-fuel motorcycles and mopeds from central Hanoi from next year in an attempt to curb worsening air ...

The Illinois EPA declared an Air Pollution Action Day in the Chicago metro area. See today's air quality index forecast for Illinois.

Residents across much of the Hudson Valley, Long Island, and New York City are under dual weather alerts on Wednesday, July ...

Air quality in the Twin Cities is improving, but pollution still contributes to about 10 percent of metro deaths and the risk is not shared evenly.