While each of the three components have unique characteristics, they all are closely linked.
Many POPs are endocrine disruptors and several pesticides are both endocrine disruptors and POPs.
For example, DDT, a once very common pesticide that is still produced and used in parts of the world, is an endocrine disruptor and a persistent organic pollutant. Our niche gives us a special ability, unique among conservation groups, to take action at the most appropriate level to reduce toxic contamination worldwide.