Pollution

An algorithm-aided analysis of satellite images reveals the size, distribution and sources of oil slicks at sea

Common chemicals sprayed on many crops each year are cloaked in bureaucratic uncertainties

Scientists say the agency’s analyses do not capture the full extent of how bad exhaust is for segments of the population

Upgrading buildings’ ventilation, filtration and other factors would not only decrease COVID transmission but also improve health and cognitive performance in general

Drivers tallied 753 billion miles in the first three months of the year, the highest total on record

Heavy-duty trucks are the largest mobile source of a key precursor to dangerous ozone and particulate matter

People are infected by bacteria that, after contacting heavy metals, develop drug-resistant traits

Without the cooling effect of aerosols, warmer oceans have provided more fuel to storms

A “new peak of air pollution” every August exposes as many as 130 million people to harmful chemicals

Congress needs to fund independent research on radioactive contamination and how to clean it up

Toxic algae blooms found could have helped destabilize society

Administrator Michael Regan argues regulation of mercury, ozone, water and coal ash will also curb greenhouse gases