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目前,世界环境问题越发突出,水土流失、土地沙漠化、淡水资源污染等严重地影响了人类社会的生活。“世界地球日”活动的宗旨是为了唤起人类爱护地球、保护家园的意识,促进资源开发与环境保护的协调发展。每年的4月22日为世界地球日
At present, the world's environmental problems have become increasingly prominent. Soil and water loss, desertification of land and pollution of freshwater resources have seriously affected the lives of humankind. The purpose of “Earth Day ” activities is to arouse people's awareness of protecting the earth and their homeland and promote the coordinated development of resource development and environmental protection. April 22 of each year is Earth Day