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18 juill. 1992 - Creación de Agenda 21 en china
Description:
Establece metas a largo plazo para mejorar las condiciones ambientales de la tierra
Ajouté au bande de temps:
Economía Ambiental
By
Erwin Ramirez
15 nov. 2017
0
0
549
Date:
18 juill. 1992
Maintenaint
~ Il y a 33 ans
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