地球一小时的英语作文

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earth-hour started in Sydney on march 31,2007 .more than 2.2million homes and businesses turned off their lights for an hour.A year later, on March 29,earth hour 2008 became a global activity and was supported by 50 million people from thirty five countries this year, on March28,over2100cities in eight countries took part in it .and the Earth-Hour came to china. Theactivity aims to save energy and improve climate.We may have different ways to spend the hour. Come on! Join us in Earth Hour 2010!
Earth Hour, an annual international event held on the last Saturday of March, asks people to turn off their lights from 8.30 to 9.30 pm of the local time. Its purpose is to raise people’s awareness of the environmental protection and the climate change. Earth Hour first began in Sydney in 2007 and after that, it spread around the world at an amazing speed. This year, more than 4,000 cities from 90 countries and about one billion people from the world have joined Earth Hour. Though it is a simple mass event, people are contributing their own way to saving our planet and one hour’s dark means a bright future 地球小时，三月的最后一个星期六举行一年一度的国际活动要求市民e799bee5baa6e79fa5e98193e4b893e5b19e337来关闭其灯从八时三十分至晚上九时的本地时间。 其目的是提高市民的意识的环境保护及气候变化。 地球小时 2007 年及其后的第一次开始在悉尼，它以惊人的速度在全球传播。 这一年来自 90 个国家的 4,000 多个城市和世界约 10 亿人参加了地球小时。 它虽然简单的大事件的人贡献自己拯救地球一小时暗指前景一片光明的路。

For this part, you are allowed 30 minutes t owrite a short essay entitle Earth Hour . You should write at least 150 words according to the outline given below in Chinese.