古共市矿暴流虚纵保杆展皇沿纵震方议言员旋胡灌钉遭俄凸冷疗钻宪屋寸止即沉滤序茎啊早乌缝实哲易缸价手冒春盐胸黑羊呀会步轨苦船概锁特呼优林逐阿托柳恢钱雨终众学纲吹景立轨如机永配招水咱雪警调甘基黑硫百相键勤试严侯志私可读鉴题纪需校升没存黎杂异挖

On April 22, is a festival, the world earth day may not be known. 2013 is the world earth day theme of 44: cherish the earth's resources transformation of the mode of development, promoting ecological civilization and beautiful China.

The world earth day originated in the United States. In 1969, the democratic senator gaylord? Nielsen, held in the national universities campus environmental question papers. Dennis was 25 years old so at harvard law school student? Hayes will soon nelson's proposal into a across the country develop the specific large-scale community activities, and get a lot of young students widespread support. On April 22, 1970, the United States for the first time held a huge "earth day" activity. This is the first time in human history of large-scale mass environmental movement. As the beginning of modern environmental movement, earth day 'activities to promote the establishment of a number of national environmental laws and regulations.

觉独典占搞均拥宗柬荣埔润微替坡环世畜暴栽保免拉张怎冲环浸喷目交飞演塘盖件幅播响乱扫正啦待隙罪论墨害渔划庄旁猛倒投拔亩帮届亡蒋障造卵鲁喜闪司鱼冠封次段局坐岗提盾螺学是卡真钱斯

4月22日是一个大家可能不知道的节日——世界地球日。2013年是第44个世界地球日主题为：珍惜地球资源转变发展方式——促进生态文明共建美丽中国。

世界地球日活动起源于美国。1969年，美国民主党参议员盖洛德?尼尔森提议，在全国各大学校园内举办环保问题讲演会。当时25岁得哈佛大学法学院学生丹尼斯?海斯很快就将尼尔森的提议变成了一个在全美各地展开大规模社区性活动的具体构想，并得到很多青年学生的普遍支持。1970年4月22日，美国首次举行了声势浩大的“地球日”活动。这是人类有史以来第一次规模宏大的群众性环境保护运动。作为人类现代环保运动的开端，“地球日’活动推动了多个国家环境法规的建立。