Boromarajonani College of Nursing, Sanpasithiprasong, Faculty of Nursing, Praboromarajchanok Institute, introduced its Green Office initiative. A Green Office minimizes the environmental impact of office operations through efficient use of resources and energy, effective waste management, selection of environmentally friendly materials and equipment, and low greenhouse gas emissions. Reducing electricity and water consumption and avoiding waste also lowers emissions associated with office activities. Energy conservation reduces electricity and water bills, while using less paper saves further costs. Building awareness and participation in resource use and addressing resource management problems supports sustainable practices. Managing indoor air, dust, chemicals, and pathogens helps protect staff health. Converting an office into a Green Office encourages environmental protection, energy savings, and careful selection and use of workplace materials and equipment. The transition involves many steps: suitable building design and construction, procurement and installation of energy-efficient and environmentally friendly office equipment, maximizing the value of supplies, and staff practices that conserve energy and protect the environment. The initiative’s message is ‘Working Together, Using Energy Wisely, and Managing the Environment as We Move toward Becoming a Green College.’ Prepared by Category 2: Communications, Green College Project.