LOS ANGELES (CNS) -- The Los Angeles-Long Beach area ranked as the nation's smoggiest region in a report released Wednesday ...

An annual report from the American Lung Assn. showed that Los Angeles has improved its air quality but still deserves its ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

it’s quietly pulling more pollution out of the air than scientists realized, especially when the summer heat kicks in. In the Los Angeles community of Mid City, researchers found that trees are ...

"We have so many vehicles, trucks, cars and buses," said Billl Magavern, a Policy Director at the Coalition for Clean Air who says that much of Los Angeles' pollution lands in Riverside and San ...

An curved arrow pointing right. "Skyglow" shows what Los Angeles' skies would look like without light pollution. The film is a part of a Kickstarter project to raise awareness about light ...

Ozone pollution is highest in the Los Angeles region. Phoenix ... high soot and ozone pollution as white Americans. The report, now in its 26th year, comes as the Trump administration pushes ...

"Both these types of pollution ... blanketed cities like Los Angeles, pushed the federal government to develop the Clean Air Act, which was first implemented in 1963 and then updated significantly ...