Several U.S. cities are experiencing heightened air pollution levels on Wednesday, including parts of Chicago.

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American ...

The American Lung Association is concerned about the funding cuts being made at the U.S. Environmental Protection Agency, ...

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

A research team has uncovered surprising evidence of cross-border pollution reaching the Arctic, originating from an ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

As fires burned in Los Angeles this year, newer toxin monitors found contaminants that aren’t measured by standard methods.

The American Lung Association is concerned about funding cuts at the U.S. Environmental Protection Agency, which has been the ...

SB 712 removes “outdated smog check requirements for classic vehicles that are ... She added that some items are rust removal ...

"Leno's Law" would exempt vehicles 35 model years or older from emissions testing requirements. A new bill moving through the ...