 |
| |||
| contaminación atmosférica transfronteriza a gran distancia | |||
| pollution atmosphérique transfrontière à longue distance: 16 phrases in 4 subjects |
| Environment | 10 |
| General | 2 |
| Name of organization | 3 |
| United Nations | 1 |
|
| |||
| contaminación atmosférica transfronteriza a gran distancia | |||
| pollution atmosphérique transfrontière à longue distance: 16 phrases in 4 subjects |
| Environment | 10 |
| General | 2 |
| Name of organization | 3 |
| United Nations | 1 |