Ddt
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
DDT or 2,2-bis( p -chlorophenyl)-1,1,1,-trichloroethane, chlorinated...Medicine for discovering (1939) DDTs insecticidal properties. DDT, however, is toxic to many animals, including humans, and...particularly the bald eagle and the osprey. Nevertheless, DDT use continues in parts of the world, particularly in tropical...