As the world heats up, cities with heat-trapping asphalt and little tree cover have left residents sweltering and breathing in more air pollution.
Asphalt is releasing hazardous air pollutants into communities, especially when hit with extreme heat and sunlight, according to research published in the journal Science Advances on Wednesday. Researchers found that asphalt in California’s South Coast Air Basin emitted more secondary organic aerosols in the summer than gas and diesel motor vehicles combined.
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Photo credit David Becker | Reuters
Multiple health threats along the San Jacinto River
By Mihir Vohra. The communities along the San Jacinto River in Harris County, Texas face many environmental health threats from industrial activity in the area.
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January 28, 2026