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25 gen 1987 anni - La Comisión Mundial de Medio Ambiente y Desarrollo publica el Reporte Brutland, donde se enfatiza el concepto de sustentabilidad
Aggiunto al nastro di tempo:
Historia de la Sostenibilidad
By
Andrés Calva
6 ott 2017
0
0
505
Data:
25 gen 1987 anni
Adesso
~ 37 years ago
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