The document discusses best practices for identifying co-benefits of climate policies to improve policymaker decision making. It outlines prerequisites for establishing best practices, including measurement tools and defining characteristics. Best practices should be knowledge-based, technology-based, relevant, replicable, and sustainable. Policy approaches that promote best practices include strategic policies, integrated environment strategies programs, and definitions from organizations like the Institute for Global Environmental Strategies. Further research can improve alignment between disciplines, development goals and mitigation strategies, and policy inputs and outcomes for co-benefits.