Related articles:
Theta
Equinox
United Nations
Arbor Day
1970
Earth Hour
Spring (season)
1971
Wilderness
April 22
March 21
Time (magazine)
Paul Newman
February 26
Rachel Carson
Ocean
Ecology
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Key terms:
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flag
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equinox
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theta
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united nations
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denis hayes
arbor day
john mcconnell
nationwide
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san diego
jordens dag
awareness
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million americans
green and white
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every year
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vietnam war
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