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| DEGRADATION DE L'ENVIRONNEMENT (2) |
| DESERTIFICACION (2) |
| DESERTIFICATION (2) |
| DETERIORO AMBIENTAL (2) |
| ENVIRONMENTAL DEGRADATION (2) |
| DEGRADACION DE TIERRAS (1) |
| DEVASTATION DES TERRES (1) |
| DISASTER PREVENTION (1) |
| DROUGHT CONTROL (1) |
| LAND DEGRADATION (1) |