Ahead of the International Day of Clean Air, here’s a look at what causes air pollution, what it does to people and how the ...

A wide range of pollution—from plastic pollution to light pollution—affects marine ecosystems.

Plastic Pollution: Facts Every Student Should Know Plastic is an incredibly useful material, but its widespread, often single-use nature has led to a global crisis.

The page presents the latest data about air pollution in Europe, as well as facts about how pollution affects human health and the environment.

A Republic reader is concerned about the effects of air pollution on children, and wants to know how to push for change.

It’s hard to avoid air pollution, particularly for expectant mothers living in densely populated cities. But it is possible to avoid the worst sources of PAH exposure, such as cigarette smoke.

A Republic reader is concerned about the effects of air pollution on children, and wants to know how to push for change.

Air pollution is a mix of particles and gases that can reach harmful concentrations both outside and indoors. Its effects can range from higher disease risks to rising temperatures.