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DEGRADATION DE L'ENVIRONNEMENT (3) |
DESERTIFICACION (3) |
DESERTIFICATION (3) |
DETERIORO AMBIENTAL (3) |
ENVIRONMENTAL DEGRADATION (3) |
DEGRADACION DE TIERRAS (1) |
DERECHO AMBIENTAL (1) |
DESARROLLO DE LOS RECURSOS NATURALES (1) |
DEVASTATION DES TERRES (1) |
DEVELOPMENT POLICY (1) |