RT null T1 Freshwater: Providing Access to Safe and Sustainable Drinking Water and Sanitation Is Essential to Protect Human Health A1 United Nations Environment Programme, K1 freshwater K1 drinking water K1 sanitation K1 waste treatment K1 water treatment K1 Europe YR 2017 FD 2017 LK https://wedocs.unep.org/handle/20.500.11822/21539 UL https://wedocs.unep.org/handle/20.500.11822/21539 DS UN Environment Document Repository RD Sep 23, 2026