The Sustainable Trumbull Team is a citizen-led group, formed by the First Selectman, working to make our town more fiscally, socially, and environmentally sustainable. We are proud to be a municipality which has been awarded the Sustainable CT Certification, a town which is on the path to using clean, renewable energy sources and encourages recycling efforts as well as local sustainable practices. SustainableCT. The Sustainable Team is comprised of town volunteers collaborating with the Town Recycling and Sustainability Coordinator.