Too much lead in the air from car exhaust, Detergents in the river kill fish, Overpopulation, Too many toxic chemicals in the waterways, Noise Pollution, Oil spills in the ocean, Too many insect pests, Land clearing for more and more housing estates, Too many cars on the road with one person, Overfishing.

Environmental Problems: Whats the Solution?!

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恢復自動保存: ?