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Help Surfrider Celebrate The 50th Anniversary Of Earth Day
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April 22 1970 Tell Your Mother You Love Her Wired
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How The Environment Has Changed Since First Earth Day 51 Years Ago Howstuffworks
Denis Hayes One Of Earth Day S Founders 50 Years Ago Reflects Harvard Gazette
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Earth Day The First 1970 Austan Librach Remembers News Austin Chronicle
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April 22 1970 First Earth Day Zinn Education
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Why Didn T The First Earth Day S Predictions E True It Plicated Science Smithsonian
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Almanac The First Earth Day Cbs News
How The First Earth Day Ushered In A Golden Age Of Activism
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