The “check engine” light is the most annoying orange icon in America. Half the time the car feels fine, and the other half ...

Smog hangs in the air as the sun sets after a hot day in the Los Angeles Basin on Wednesday, Oct. 4, 2023. (Luis Sinco / Los Angeles Times) Federal prosecutors in Sacramento on Thursday unsealed an ...

California regulators are scrapping a biodiesel rule related to smog concerns that the industry has long said isn't needed.

It’s easy to tell when it’s smog season in New Delhi; the air gets darker, heavier and starts scratching the throats and testing the lungs of the city’s 34 million residents. Pollution been an issue ...

The winter smog has widened the affordability gap among residents, with many lower-income families lacking the means to buy ...

The 2025 smog season exposed deep gaps in pollution control and environmental planning. As Punjab looks toward 2026, experts ...

Pakistan, India and other countries in South Asia are shrouded in a layer of smog that is so thick, it's visible from space. Satellite imagery from NASA Worldview shows most of northern and eastern ...

Utah Republican Mike Lee and three colleagues argued that regional circuit courts should handle lawsuits over EPA’s rejection of state smog plans. Four Republican senators are urging the Supreme Court ...

The ruling may offer evidence that the legal legacy of the Supreme Court’s Loper Bright decision is more of a mixed bag than ...

Dr. Farah Waseem has advocated for climate awareness since childhood. Now, it’s a matter of life and death for her patients ...

Smog season tests the lungs every single day. Fine particles hang in the air and quietly irritate airways. Many people focus ...