This chapter introduces the themes of green economic development and the transition to a low-carbon economy in East and Southeast Asia. It provides a summary of the book’s contributions that cover carbon emissions, sustainable finance, governance, and the role of households in environmental protection. The focus is on exploring practical applications, laws, and policies that enable a shift from a fossil fuel-based economy to a sustainable, low-carbon model. The chapter also offers policy recommendations that emphasize the importance of carbon pricing, ESG policies, regional cooperation, and community engagement. These insights provide useful guidance for policymakers, researchers, and practitioners to support green economic transitions that align with sustainable development goals.