Killer whales that eat seals or other whales have higher persistent organic pollutants in their blubber than those that forage on fish.

"We are finding this human-made material in what we consider a pristine area of the atmosphere," the stratosphere.

Neighborhood greenspace can protect our health, but not so much as to counterbalance pollution and systemic racism, a study finds.

Trees including oak and poplar will emit more isoprene—a compound that worsens air pollution—as global temperatures rise, researchers report.

"Exposure to unclean cooking fuel and passive smoke during pregnancy and in early life are associated with developmental delays in children."

A new study identifies a potential way to remove microplastics from water: fungal pelletization.

Municipal waste incinerators' legacy of contamination could live on in urban soils, finds a study on lead in city parks.

New data from the Air Quality Life Index shows how much of a threat to human health air pollution poses around the world.

A specially coated metal mesh can harvest water from fog and remove pollutants at the same time, report researchers.

A new method could take plastic waste and turn it into useful raw materials for creating detergents.