 |
| |||
| aquatic pollution; water pollution | |||
| |||
| water pollution | |||
| contaminación de las aguas: 48 phrases in 10 subjects |
| Environment | 22 |
| Fish farming pisciculture | 1 |
| General | 2 |
| Law | 4 |
| Name of organization | 8 |
| Natural sciences | 3 |
| Politics | 2 |
| Transport | 1 |
| United Nations | 4 |
| Water resources | 1 |