This synthesis document serves as a comprehensive summary of extensive analytical work, offering recommendations for change to support the outcomes of the NGGS (Next Generation Growth Strategy) and the 9th NSEDP (Ninth National Socio-Economic Development Plan). Designed as a valuable tool for stakeholders and implementing partners, it aids in planning and decision-making processes aimed at reducing plastic pollution and enhancing solid waste and plastics management in the country. The document includes key messages from the assessment of national-level solid waste management, with a specific focus on three cities, as well as a summary of findings from a diagnostic analysis of plastic pollution in six cities. It also provides a roadmap for the development of the National Plastic Action Plan and the adoption of appropriate plastic policy measures. Additionally, the document describes investment opportunities and outlines priority actions required to improve the management of plastic and solid waste.