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1 gen 1972 anni - Primera cumbre de la tierra - conferencia de la ONU en el medio ambiente

Descrizione:

Esta conferencia puso problemas ambientales en la agenda internacional por primera vez y sento las bases para en progreso del medio ambiente

Aggiunto al nastro di tempo:

linea del tiempo sistemas ambientales

ByAntonino Brucato

12 ott 2018

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0

329

Data:

1 gen 1972 anni

Adesso

~ 53 years ago

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