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dec 27, 1991 - Cumbre de la Tierra de Río de Janeiro

Description:

Estableció principios clave como la Agenda 21 y promovió la integración de la sostenibilidad en políticas globales.

Added to timeline:

Antecedentes del desarrollo sustentable

ByArmando Martinez

9 months ago

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262

Date:

dec 27, 1991

Now

~ 33 years ago

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