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Conceptual overview

image of Conceptual overview

Persistent organic pollutants (POPs) have the unique properties of persistence and bioaccumulation and the ability to cycle through a variety of environmental media. A PCB that one may ingest in a meal and absorb, for instance, may have previously travelled and resided through several environmental media (e.g. air, soil, water) during its lifetime following loss from an electrical plant on the other side of the world many years ago. The levels of POPs in this meal, particularly in the case of ‘higher trophic level’ foods such as fish or meat, may have been multiplied to dangerously high concentrations (biomagnified) because of the manner in which energy and contaminants flow through and accumulate in food chains.

Sustainable Development Goals:
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