The paper refers to a ″beautifying and landscaping the university campus″ competition held in June 2001 to improve the learning and working environment of the Polytechnic University of Hong Kong. One of the proposed themes in the form of an education trail, which aims to provide a better understanding of the principles and operations of renewable energy in solar, wind, hydro, wave, geothermal and biomass, is to be illustrated as a case study at the city centre campus of the Polytechnic University. The same facility will also serve as an invaluable resource for teaching, applied research as well as community education on renewable energy. It discusses the objectives and tentative strategies in the design of this education trail.