文档介绍：The world earth day propaganda
Beautiful earth-the home of all of us
The world earth day 43 rd  2012年是第43个世界地球日
Its theme: cherish the earth resources development mode change它的主题为：珍惜地球资源 转变发展方式
"The world earth day" origin “世界地球日”的由来
The earth day “activities originated in the April 22, 1970, of the United States. “世界地球日”活动起源于1970年4月22日的美国。
Every year on April 22 is the earth day. This day, most of the world countries will hold the earth day "commemorative activities to arouse human love the earth, protecting the homeland of consciousness, promote resource development and environment protection coordination “世界地球日”。这一天，世界绝大多数国家都会举办“世界地球日”纪念活动，以唤起人类爱护地球、保护家园的意识，促进资源开发与环境保护协调发展。
Know the earth
All human living conditions, and the resources are from earth. The survival of the human not only rely on the surface of the earth the sunshine, the air (climate), water (water), land, plant, animal, bu