(Çevre) An Environmental Impact Statement (EIS) is an assessment of the likely influence a project may have on the environment. “Environmental Impact Assessment can be defined as: The process of identifying, predicting, evaluating and mitigating the biophysical, social, and other relevant effects of development proposals prior to major decisions being taken and commitments made.” (IAIA 1999). The purpose of the assessment is to ensure that decision-makers consider environmental impacts before deciding whether to proceed with new projects