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

Descrição:

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

Adicionado na linha do tempo:

Historia de la Sostenibilidad

ByAndrés Calva
6 out 2017
0
0
622

Data:

3 jun 1992 ano
Agora
~ 33 years ago
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