Earth day is under the background of environmental pollution is increasingly serious. The world earth day originated in the United States. On April 22, 1970, the United States for the first time held a huge "earth day" activities, on this day, in the United States has more than 2000, ten thousand people, 10000 primary and secondary schools, 2000 universities and 2000 communities and groups took part in this activity. People held a rally, parade, preaching and other various forms of propaganda activities, called on everyone to act, to protect and save the planet. This is the first time in human history of large scale mass environmental movement. This activity was a stunning success, a year after the "earth day" are in focus. 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. On April 22, 1990, more than 140 countries around the world, more than 200 million people across the country at the same time held a variety of environmental protection campaign. This activity obtained the UN approval. From now on "earth day" has become "the world earth day"

　　地球日是在環境污染日益嚴重的背景下產生的。世界地球日活動起源于美國。1970年4月22日，美國首次舉行了聲勢浩大的“地球日”活動，這一天，全美有2000多萬人，10000所中小學，2000所高等院校和2000個社區及各大團體參加了這次活動。人們通過舉行集會、游行、宣講和其他多種形式的宣傳活動，呼吁所有人都行動起來，保護和拯救我們的地球。這是人類歷史上第一次規模宏大的群眾性環境保護運動。這次活動取得了極大成功，以后每年的“地球日”也都備受關注。這是人類有史以來第一次規模宏大的群眾性環境保護運動。

　　作為人類現代環保運動的開端，“地球日”活動推動了多個國家環境法規的建立。1990年4月22日，全世界140多個國家、2億多人同時在各地舉行多種多樣的環境保護宣傳活動。這項活動得到了聯合國的首肯。從此“地球日”成為“世界地球日”