Subject
- Administrative and political divisions8
- Coasts8
- Conservation of natural resources8
- Inland Waters8
- Marine resources conservation8
- Natural areas8
- Habitat conservation7
- Hydrography7
- Land use, Rural7
- Utilities and Communication7
- Marine biodiversity conservation6
- Natural resources6
- Environmental impact analysis5
- Metropolitan areas5
- Parks5
- Special districts5
- Air quality4
- Biogeography4
- Cities and towns4
- Ecological reserves4