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3 июн 1992 г. - Se celebra la "Cumbre de la Tierra" de las Naciones Unidas en Rio de Janeiro
Описание:
De esta cumbre surgen dos convenciones y se acuerdan las acciones a tomar como parte de la "Agenda 21".
Добавлено на ленту времени:
Historia de la Sostenibilidad
By
Andrés Calva
6 окт 2017
0
0
506
Дата:
3 июн 1992 г.
Сейчас
~ 32 г назад
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