So far, all campaign results have shown the absence of negative impacts on biodi versity and the appropriateness of the measures taken to avoid negative effects caused by atmospheric emis sions, discharges of heat, noise, and the maintenance of the distribution line corridors; the ISO 14001 standards are implemented, applying the Group’s environmental policy and performing pe riodical assessments of the impacts on biodiversity; 3. risk analyses are performed taking into account the risk of impacts on biodiversity; 4. initiatives are undertaken to make the personnel aware of the risk of impacts, the actions performed to limit it, and the Group’s commitment to protecting biodiversity.