论文部分内容阅读
1970年4月22日,美国的一些环境保护工作者和社会名流,发起了“地球日”活动,全美有1万所中小学、2000所高等院校和许多团体共2000多万人参加了这项活动。那是人类历史上第一次规模宏大的群众性环境保护运动。 1990年4月22日,纪念“地球日”20周年的活动在全世界范围内展开,全球100多个国家几亿民众的参与,使这个日子成为第一个国际性的地球日。仅仅20年,在这不到一代人的时间里,地球上的人口总数增加了45％,即从36亿膨胀至52
On April 22, 1970, some environmental protection workers and celebrities in the United States launched the “Earth Day” event. More than 20 million people from 10,000 primary and secondary schools, 2000 colleges and universities and many groups across the U.S. participated in this event. Activity. It was the first time in human history that the mass environmental protection campaign was massive. On April 22, 1990, the activities to commemorate the 20th anniversary of “Earth Day” began around the world. The participation of hundreds of millions of people in more than 100 countries around the world made this day the first international Earth Day. In just 20 years, in less than a generation, the total population on Earth has increased by 45% from 3.6 billion to 52.