A university campus can significantly impact its local area because new settlements, shopping centres, and transportation routes are built on and turn permeable surfaces such as wetlands, forests, and woodlands into impermeable surfaces. This may result in changes in water cycles, natural resources, and carbon emissions around the university area, which can cause unprecedented challenges to the natural balance. A sustainable world can only be considered if university campus areas promote sustainability, but there are many sustainability challenges in universities. The university campus should protect natural resources, recycle and reuse waste and water, and implement sustainable approaches. One of the ways to reach this aim is to observe and examine the sustainability progress of the Afyon Kocatepe University (AKU). This could be done via the UI GreenMetrics campus sustainability assessment tool. The AKU has participated in the UI GreenMetrics since 2019. The UI GreenMetrics has enabled the university to promote environmental awareness for the staff, campus life, and the environment. In addition, according to the UI GreenMetrics campus sustainability assessment, our university has obtained innovative approaches in sustainability indicators on the following themes: energy, water, and land use management; waste management; sustainability in research and education; and built environment. This chapter briefly describes the sustainability vision, challenges, innovative approaches applied, lessons learned, and experiences from the UI GreenMetrics questionnaire at AKU. This chapter can provide data such as waste produced, energy consumption, water consumption, and materials used for buildings to consider and evaluate the impact of alternative technologies and materials to promote sustainability goals through university-led social change. This application may decrease the environmental impact of campus activities and promote environmental awareness within the university community.