Air pollution: Combustion of fossil fuels, Fumes from vehicles, Forest fires, Volcanic eruptions, Dry soil erosion, Soil pollution: Illegal dumping, Use of pesticides, Deforestation, Use of farming chemical substances, Light pollution: Street lamps shining light in all direction, Billboards, Advertising , Noise pollution: Aeroplanes, Motor vehicles, Demolition noise, Radioactive pollution : Nucleare power plant accident, Nuclear waste, Uranium mining,

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恢復自動保存: ?