| Subject | English | Italian |
| earth.sc. | Environmental instruments | Strumenti in campo ambientale |
| environ. | environmental policy instrument Technological, economical and legislative measures employed to prevent or control pollution or damage of the environment | strumenti di politica ambientale |
| environ. | environmental policy instrument | strumenti di politica ambientale |
| environ. | instruments and challenges for environmental policy | strumenti e sfide di politica ambientale |
| environ. | Instruments and challenges for environmental policy | strumenti e sfide di politica ambientale |