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POPs out!

1985: The World Health Organisation (WHO) estimates an annual death toll of around 20,000, due to poisoning from persistent organic pollutants (POPs) and other pesticides.

1990: Eight Arctic nations begin post-cold war dialogue about POPs pollution in the Arctic.

1992: Among the many recommendations of Agenda 21 agreement signed at the Earth Summit in Rio, is a call for greater cooperation to combat the threat of transboundary pollution of hazardous chemicals, including POPs.

May 1995: The governing council of the United Nations Environment Programme (UNEP) calls for international assessment of the

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