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22 апр 1970 г. - First Earth Day

Описание:

this is significant because it shows the first time the government took a general approach in supporting the environmental movement.
Gaylord Nelson signed off on this day
this is ecocentrism

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Environmental timeline

ByConnor Alfano
23 окт 2018
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22 апр 1970 г.
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~ 55 г назад
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