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22 dic 1991 anni - Agenda XXI de la Cumbre de Río ́92

Descrizione:

“Manejo Ecológicamente Racional de los Residuos Sólidos” enuncia los postulados que luego fueron retomados y enfatizados en la Cumbre de Johannesburgo 2002​.

Aggiunto al nastro di tempo:

Manejo Integral de Residuos Sólidos

ByAlonso Correa
20 nov 2018
0
0
295

Data:

22 dic 1991 anni
Adesso
~ 33 years ago
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