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… resist degradation and bio-accumulate through the food chain. UNEP initiated negotiations in response to calls for … in polar regions — both on fauna and flora and, through food chains, on humans, as in the cases of persistent organic …

… that case, the river flow was unidirectional so that the chain of causation was relatively easy to establish as well. … from those resources so as to secure a maximum supply of food and other marine products” (emphasis added). In the … rainfall and monsoon patterns, with consequences for food and water supplies, especially in Africa and Asia. 307 …