雅思考试口语范文_Earth Day（世界地球日）

雅思考试口语范文：Earth Day（世界地球日），很多同学对于这个问题有疑问和不解，那么下面就跟着中国教育在线的小编详细了解一下吧。

本文来自雅思口语网liuxue86.com《Earth Day（世界地球日）》。Earth DayApril 22th Earth Day was first observed in Spring of 1970. An estimated 20 million people nationwide attended festivities out of which came the largest grassroots environmental movement in U.S. history, and the impetus for national legislation like the Clean Air and Clean Water Acts. By the twentieth anniversary of that event, April 22, 1990, more than 200 million people in 141 countries participated in Earth Day celebrations.

Since the first Earth Day, however, the environmental movement has increasingly transformed itself from a largely grassroots, citizen crusade to a professionally-organized, established special interest.

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