000 colleges and universities and the country's important groups attended the accident

April 22 is Earth Day , April 22, 1970 , at Harvard University student Denis . Hayes initiated and mobilized by the environmental protection activities ,shanghai massage, favor Xinghuoliaoyuan , kitz valves. throughout the United States a aggregate of extra than 2000 human heeded ,Self mode namely variety of how computer, about 10,000 schools , 2,000 seminaries and universities and the country's important groups attended the event , the day became the first Earth Day .
1972 National Conference above Human Environment held in Stockholm in 1973,beijing escort, the United Nations Environment The Planning Department was created , behind the government environmental protection agencies and organizations increasing international ,toronto escorts, Earth Day, have played an momentous role . So Earth Day has chance a global event , China since 1990 , china clothes, each annual Held in memorial of Earth Day movement .
address the role and that addresses the natural role of the dispose of Earth's ecological surroundings , accordingly sending the cause of people life , wastage of material wealth,beijing escort, catastrophe events , collectively referred to for geological disasters. China is the earth of geological disasters One of the most solemn . obstruction of geological disasters , precor efx 544, was identified in 1999 of Earth Day , Earth Day is the theme of the third ten .
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