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jun 3, 1992 - Se celebra la "Cumbre de la Tierra" de las Naciones Unidas en Rio de Janeiro

Description:

De esta cumbre surgen dos convenciones y se acuerdan las acciones a tomar como parte de la "Agenda 21".

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Historia de la Sostenibilidad

ByAndrés Calva

6 Oct 2017

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621

Date:

jun 3, 1992

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~ 33 years ago

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