EVERYDAY SCIENCE

Detailed explanation-1: -In the United States, the National Environmental Policy Act (NEPA) requires federal agencies to file an Environmental Impact Statement (EIS) for any major project or legislative proposal that may have significant environmental effects.

Detailed explanation-2: -An EIS outlines the status of the environment in the affected area, provides a baseline for understanding the potential consequences of the proposed project, identifies positive and negative effects for the environment, and offers alternative actions, including inaction, in relation to the proposed project.

Detailed explanation-3: -The EIS analyzes the particular environmental concerns that were identified. A separate analysis is prepared for the proposal and each alternative. The objective of the analysis is to estimate the nature, severity, and duration of impacts that might occur and to compare the impacts of the proposal and alternatives.

Detailed explanation-4: -An environmental impact statement (EIS), under United States environmental law, is a document required by the 1969 National Environmental Policy Act (NEPA) for certain actions “significantly affecting the quality of the human environment". An EIS is a tool for decision making.