Leadership at Johannesburg.
D000397:Air Pollution / Q000331:legislation & jurisprudence* / Q000517:prevention & control; D002980:Climate; D003247:Conservation of Natural Resources / Q000331:legislation & jurisprudence*; D004463:Ecology; D017753:Ecosystem; D006076:Government; D006801:Humans; D007391:International Cooperation; D011640:Public Policy; D011788:Quality of Life / Q000331:legislation & jurisprudence; D012108:Research Personnel; D013019:South Africa