San Diego rolls out air purifiers to combat Tijuana River pollution odors

Scientists measure hazardous air pollutants as people in Childs Park are concerned about the smell

Correction: Oregon vehicle emissions testing does not measure carbon dioxide

Study suggests air pollution from sitting in traffic could lead to increase in blood pressure

Judge rules Measure 114 unconstitutional | The Story | Nov. 22, 2023

Air quality worsens in eastern US as Canadian wildfire smoke hangs over Midwest

Chemists test air quality in Childs Park after strange smell circulates

Nations will try again on plan to confront world's plastic pollution mess

At the US Open, tennis stars shine under dark sky-friendly outdoor lights