Dichloro-Diphenyl-Trichloroethane (DDT), a pesticide banned in the 1970s in the United States, is still showing up in penguins in Antarctica. Researchers are surprised that concentration levels found in their fatty tissues have not declined.
Dichloro-Diphenyl-Trichloroethane (DDT), a pesticide banned in the 1970s in the United States, is still showing up in penguins in Antarctica. Researchers are surprised that concentration levels found in their fatty tissues have not declined.