Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
POPs are toxic chemicals that persist in the environment for long periods of time and can bioaccumulate in living organisms. They can travel long distances through air and water, posing a threat to both human health and the environment.
The increase in concentration of toxins, such as POPs, as they move up the food chain.
DDT (dichlorodiphenyltrichloroethane): A well-known example of a POP that was widely used as an insecticide but has since been banned due to its harmful effects on wildlife and humans.
"Persistent organic pollutants (POPs)" also found in: