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… Variable natural protection Largely unprotected Pollution persistent Often extreme Mainly transitory Socio-Economic … rivers. Lake sediments commonly are thick and have more organic deposits. These poorly permeable organic materials … pollution is often associated with mining. The main pollutant in both active and abandoned mining areas is acid …

… quantities of water, and with the advent of particularly persistent contaminants, the resource needs to be protected … crops, which can result in elevated nitrate, chloride, and organic carbon concentration and, in some cases, to faecal … contaminant load), (b) the mobility and persistence of the pollutant, and (c) the hydraulic load. In general a …

… Goals MEAs Multilateral Environmental Agreements POPs Persistent Organic Pollutants SADC Southern African Development … Chemical pollution, which refers primarily to persistent organic pollutants (POPs) (s.a. mercury and …

… ‘DDT, Malaria Control and the Stockholm Convention on Persistent Organic Pollutants’, Review 2007, 213–230; Ed Couzens, … Wastes and Their Disposal; and the Kiev Protocol on Pollutant Release and Transfer Register,33 to mention but a …

… and promote measures which safeguard the processes of organic decomposition and thereby its continuing fertility. … teratogenic or bio-accumulative, especially when they are persistent; 7. "Best available technology" (the definition is … or bioaccumulative effects, in particular those being persistent and having significant adverse impact on living …