This article discusses different aspects of Environmental Impact Assessment (EIA), including its scope, procedures, and methods. It covers EIA procedures in various countries like the United States, Canada, France, the Netherlands, and Scotland. The role of environmental health assessment in EIA is also highlighted, focusing on the health impacts of environmental factors like pollution and noise. The article explores different assessment methods for direct and indirect impacts, as well as case studies on projects like oil terminals, gas developments, and coal extraction. Overall, the article provides insights into how EIA is used to evaluate the environmental effects of various projects and developments.