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jun 1, 1800 - individuos influyentes como Thoreau y Muir escriben sobre libros sobre conservación

Description:

Primeros grupos de conservación de forma y reservas naturales establecidas. NGOs se forma (RSPB, NT)

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linea del tiempo sistemas ambientales

ByAntonino Brucato

12 Oct 2018

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Date:

jun 1, 1800

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~ 226 years ago

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