Green certifications is a system of voluntary, third-party verified standards and labels designed to assess and communicate the environmental performance, sustainability attributes, and resource efficiency of products, services, organizations, or processes. As an academic concept and research area, it investigates the design, implementation, efficacy, market implications, and governance structures of these certification frameworks, analyzing their role in driving environmental management improvements, influencing consumer behavior, building stakeholder trust, and contributing to sustainable development goals through enhanced clarity and verified environmental claims.