This study examines how green training can give businesses a sustainable competitive edge. Environmentally conscious strategies and operations result in lower costs, improved reputation, increased customer loyalty, and increased market opportunities driven by environmentally conscious consumers. Sustainable business conduct requires green training programmes to enhance employees� environmental awareness. This study examines the effects of green training on sustainable business advantage using the literature and empirical analysis. This study also examines how green supply chain practices mediate this association. Green supply chain practices include environmentally friendly procurement, production, transportation, and disposal methods. Green recruitment involves selecting and hiring people who understand environmental issues and are committed to sustainability. This method integrates eco-friendly staff. A total of 583 Saudi manufacturing contract workers were studied. IBM SPSS Amos was used to analyse the data from model testing. Green training improves sustainable business advantage, according to the study. The study suggests that green supply chain practices mediate this relationship. Green training improves operational efficiency, resource use, and environmental performance. Green training can be applied to green supply chain practices, resulting in measurable and sustainable results. This study examines green training, recruitment, sustainable business advantage, and green supply chain practices to improve sustainability management understanding. These insights help organisations align their strategies with environmental sustainability, giving them a competitive edge in the 21st century�s ever-changing business environment. © 2023 by the authors.