Sustainable Heights Network 2163 Lee Rd, Cleveland Heights, OH44118 Sustainable Heights Network is a grassroots and volunteer driven organization that promotes a thriving living…More community in Cleveland Heights and University Heights. The group works on economic vitality, ecological health and the social equity of the city. It offers sustainable programs and activities that promote the efficient usage of the city's resources. Programs focus on green energy, biodiversity, building partnerships, public services, waste management, community visioning, health, nutrition and more. Programs and event schedules are listed on the website.