The document discusses how museums can become leaders in sustainability by adopting environmentally sound practices, improving building performance, leading in sustainability education and communication, and accepting that success requires realigning factors. It provides examples of benchmarks for moving forward, such as the OMSI Green Exhibit Certification tool, use of LED lighting at The Huntington Library, and the Green Museums Initiative website and Accord pledge. Signing the Green Museums Accord involves commitments like educating stakeholders, considering sustainability in projects, and estimating carbon footprints to reduce emissions over time.