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… is the largest source of fresh water available for human use, constituting around 30.8% of all fresh water on … and has been the same for billions of years; while 2. The human population continues to increase. The UN forecasts that … and more fundamentally to protect a vital component of the human life-support system, a normative framework is needed …

… and programmes, but also places a special emphasis on human health effects. This is the result of the participation …