The document discusses environmental impact assessments (EIAs), which are used to analyze potential environmental effects of projects like mining, dams, and highways. EIAs help measure and predict impacts on variables like air and water quality to inform decision-making and project monitoring. The objective is to determine potential environmental, social, and health effects of proposed developments. EIAs have been required in India since the Environment Protection Act of 1986 was formed in response to the 1984 Bhopal gas tragedy. Projects are categorized as A or B depending on their scale, with Category A projects requiring mandatory EIAs. The EIA process involves screening, scoping, public consultation, appraisal, and producing a report that outlines the project, environment,