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1 marzo 1975 anni - 1er Seminario Internacional de Educación Ambiental (Belgrado)

Descrizione:

La UNESCO y el PNUMA promueven esta reunión de la que resulta la “Carta de Belgrado”, que es el marco general para la educación ambiental. Y determina las directrices a tomar a nivel internacional.

Aggiunto al nastro di tempo:

Evolución de la educación ambiental para la conservación de los ecosistemas

ByYesenia Andrea Amell Amell
26 ago 2018
0
0
620

Data:

1 marzo 1975 anni
Adesso
~ 50 years ago

Immagini:

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