Earth Day, Environmental Laws, Environmental Issues in the news, being green was entering the mainstream.
想一想世界地球日，环境法，新闻中的环境问题，不难看出环保行动正在成为主流。
Many people are playing a role in saving the earth on Earth Day.
许多人都能在地球日为拯救地球奉献一份力量。
The Earth Day was created to remind people to care about the earth.
设立地球日是为了提醒人们要关心地球。
Tomorrow is Earth Day. Let's discuss what we can do to recycle things.
明天是地球日。让我们讨论一下可以做什么来回收东西。
On April 22nd, people around the world would celebrate Earth Day in different ways.
4月22日，世界各地的人们将以不同方式庆祝地球日。
This year is the 49th Earth Day and I think we should call on people not to cut down too many trees.
今年是第49个地球日，我认为我们应该呼吁人们不要过度砍伐树木。
Our teacher told us about projects other classes had done for Earth Day, and she asked for suggestions for our class projects.
我们的老师给我们讲了其他班为地球日做的项目，并就我们班的项目征求了我们的建议。
Some environmental protection groups believe that humans will understand the true spirit of Earth Day and try their best to protect the earth.
一些环保组织认为，人类会理解地球日的真正意义，并尽最大努力保护地球。
The inaugural Earth Day happened a year later.
一年之后诞生了首个世界地球日。
One Earth day is about 24 hours, or 86, 400 seconds, long.
地球上的一天是24小时，或8.64万秒。
April 22nd is Earth Day and we all know it is important to love our Mother Earth.
4月22日是地球日，我们都知道爱我们的地球母亲是很重要的。
So while you are taking part in other Earth Day celebrations, keep these tips in mind.
因此，当你参与其他地球日庆祝活动时，请把这些建议记在脑海中。
Join the more than one billion people in 190countries that are taking action for Earth Day.
加入到190个国家10多亿正为世界地球日采取行动的人们之列吧。
This planet, possibly an ill-fated world, whips around its star in less than one Earth day.
这颗行星，可能是一颗走恶运的星球，绕着它的母星快速公转快于一个地球日。
She used the whole senior class to help the lower school clean up the playground on Earth Day.
她曾在地球清洁日组织整个高年级班级帮助低年级打扫操场。
When the first Earth Day took place in 1970, American environmentalists had good reason to feel guilty.
当第一次地球日在1970年举行的时候，美国的环境主义者拥有足够的理由来感到内疚。
With an estimated 4.34 million residents, Sydney, shown on Earth Day 2008, is Australia's most populous city.
拥有434万人口的悉尼是澳大利亚人口最多的城市。
That's why, as we get ready to celebrate the 40th anniversary of Earth Day, I want to leave you with a challenge.
这就是为什么，当我们准备庆祝地球日40周年时，我想给你们一个挑战。
Friends of the Earth was founded in the same year that man first walked on the Moon. The inaugural Earth Day happened a year later.
地球之友创立于人类首次漫步月球的那一年，首届地球日诞生于一年以后。
The event will be part of a weeklong series of exhibits and activities on the National Mall marking the 40th anniversary of Earth Day.
这一聚会是在国家广场举行的“地球日40周年庆典”为期一周的展览和活动的一部分。
In an address on the eve of Earth Day, Mr. Bloomberg presented the first update to PlaNYC, which calls for such revisions every four years.
在世界地球日前夕的一次演讲中，布隆·伯格先生介绍了“规划纽约”计划的第一份修正案，该计划需要每四年修订一次。
In anticipation of Earth Day on Wednesday, now is a good time to focus on some of our planet's unique —and endangered —travel destinations.
在即将到来的世界地球日之前，现在是该好好考虑下我们这个星球的那些独特的而濒临绝境的旅游目的地了。
In anticipation of Earth Day on Wednesday, now is a good time to focus on some of our planet's unique —and endangered —travel destinations.
在即将到来的世界地球日之前，现在是该好好考虑下我们这个星球的那些独特的而濒临绝境的旅游目的地了。
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