Green purchasing, also known as environmentally preferable purchasing or green procurement, refers to purchasing products and services that have less of an environmental impact over their lifecycle compared to other options. This includes factors like raw material sourcing, production, use, and disposal. Basic principles of green purchasing are to consider need before buying, evaluate environmental impacts of a product's full lifecycle, select suppliers committed to sustainability, collect data on products' environmental performance, and promote sustainability in the supply chain. Implementing an effective green purchasing program involves gaining organizational support, conducting a self-assessment, setting goals, developing a strategy, piloting initiatives, full implementation, and sustaining efforts over time. Benefits include environmental protection, health improvements, positive