Pollution

Most of the pollutant arrives at the coasts by river

Like other aerosols, these tiny particles scatter and absorb sunlight, influencing Earth’s temperature

The consumer devices track pollutants as well as CO₂—a proxy for potentially virus-laden human breath

The Montreal Protocol has helped heal the ozone layer that blocks harmful ultraviolet rays

The tiny sensors could gather and transmit environmental data as they drift through the air

In a proof-of-concept study, microscopic self-propelled devices found and broke down microplastic particles

Modified switchgrass can sop up weapons chemicals on military ranges

Advocates worry that reduced funds will not go to the communities most in need

A trend of disproportionate exposure to deadly air pollution among Asian, Hispanic and Black people persists in most cases regardless of the emission source, a study finds

Rapid at-home tests for contaminants are on the way

A hunger strike in Chicago and concerns raised by city and state politicians have slowed the planned move of a metal scrapper to a working-class, predominantly Latino community

Experts hope that with the incoming Biden administration, the federal government will finally regulate a class of chemicals known as PFASs