SAVE EARTH ,SAVEUS
we shouldreduce poisonous gas given off by factories automobiles Planting more forests . , using new source,dispose offactories'waste gasthe automobiles should be equipped with a device air pollution, noise pollution, water pollution. So we can get an important consequences:According to the problems: species decline, human health suffer, environmental degradation.we shoud protect the environment for the Earth Mother .Let "work together ,OK?