| Subject | English | Portuguese |
| environ. | environmental information system | sistema de informação sobre o ambiente |
| environ. | environmental information system | sistemas de informação ambiental |
| environ. | environmental information system A coordinated assemblage of people, devices or other resources designed to exchange data or knowledge concerning any aspect of the ecosystem, the natural resources within or, more generally, the external factors surrounding and affecting human life | sistemas de informação ambiental |
| nat.sc., environ., agric. | Global Environmental Information Systems | sistema global de informação ambiental |
| IT, environ., UN | International Environmental Information System | Rede Mundial de Informação Ambiental |
| environ. | Shared Environmental Information System | Sistema de Informação Ambiental Partilhada |