pollutants

About 2,500 seals have been found dead on the Caspian Sea coast in southern Russia, officials said Sunday.

The UN health agency says nearly everybody in the world breathes air that doesn’t meet its standards for air quality, calling for more action to reduce fossil-fuel use.

One of the important functions of a river is to remove pollutants that can end up in the water

Could anyone fathom that an innocent activity like taking one's infant in a bicycle trailer can expose it to pollutants?