On anniversary of first Earth Day, a look at what's happened since. April 22, 2010— -- On April 22, 1970, the very first Earth Day, more than 20 million people joined in demonstrations across the ...
Earth Day 2011 falls on April 22 and there are so many things that we can do to help preserve the planet as well as celebrate. This year, Earth Day will work around an organization called A Billion ...
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