Life Cycle Assessment (LCA) is a systematic method used to evaluate the environmental and health impacts of a product, process, or activity throughout its entire life cycle. This life cycle includes raw material extraction, manufacturing, transportation, use, and final disposal or recycling. In the context of Environmental Impact Assessment (EIA) for environmental health, LCA plays an important role by providing a comprehensive and scientific basis for understanding how human activities affect the environment and, ultimately, human health. One of the major roles of LCA in EIA is to identify and quantify environmental impacts at every stage of a project or product’s life. Traditional environmental assessments may focus only on the operational phase, but LCA examines upstream and downstream impacts as well. For example, a factory may appear environmentally safe during operation, but LCA can reveal hidden impacts such as pollution from raw material extraction or waste disposal. This broader perspective helps in identifying sources of environmental pollution that could affect air quality, water quality, soil, and public health. LCA also helps in assessing the potential health risks associated with environmental pollutants. By analyzing emissions such as greenhouse gases, toxic chemicals, and particulate matter throughout the life cycle, LCA provides information on exposure pathways