| Subject | English | Italian |
| life.sc., environ. | climatic impact study | studio sull'impatto climatico |
| environ. | environmental impact study Survey conducted to ascertain the conditions of a site prior to the realization of a project, to analyze its possible impacts and compensative measures | studio di impatto ambientale |
| environ. | environmental impact study | studio di impatto ambientale |
| environ., construct. | impact study | studio di impatto |
| econ. | impact study | studio d'impatto |
| transp. | socio-economic impact study | studio di impatto socioeconomico |