This document summarizes the town of Hopkinton, Massachusetts' efforts towards sustainability and renewable energy adoption. It outlines Hopkinton's history with initiatives like community recycling in the 1970s and becoming a designated Green Community in 2010. It also lists various renewable energy and efficiency projects implemented at municipal buildings. The document discusses key drivers for municipal adoption of sustainability practices including leadership, return on investment, local stakeholders, public involvement, practical opportunities, and remaining focused. It provides recommendations for overcoming common barriers.