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The reasonPlanting trees assist in preserving soil and water,in preventing wind and sand.Planting trees can reduce air pollution.Planting trees can also reduce noise pollution.第1页/共10页softfertile第2页/共10页co2o2The main cause of the greenhouse effect第3页/共10页What can we do to plant trees so as to protect the environment第4页/共10页The channelArbor dayAlipay Ant Forest第5页/共10页第6页/共10页Alipay Ant Forest第7页/共10页Take an active part inthe activities of afforestation and environmental protection.第8页/共10页Thank you for listening.第9页/共10页感谢您的观看。感谢您的观看。第10页/共10页