Core Insights - The report identifies 15 priority measures that can increase the number of people in the ASEAN region breathing "clean air" from approximately 80 million in 2015 to over 250 million by 2030, with significant potential to reduce population-weighted PM2.5 concentrations [20][23][39] - Implementing these solutions could lead to a 50% to 70% improvement in air quality across many countries, enabling compliance with the World Health Organization's air quality guidelines [20][23] - The report emphasizes that nearly 40% of the potential improvements can be achieved through the enforcement of existing laws, highlighting the importance of strengthening current policies related to air pollution, energy, and climate [20][25] Summary by Sections Introduction and Methodology - The report aims to meet the growing demand from policymakers and stakeholders in the ASEAN region for clean air solutions, identifying 15 priority measures [42] - It reviews the experiences of implementing these measures and discusses governance and financial arrangements that could facilitate their spread in the ASEAN region [42] Implementation of Solutions - The report outlines various sectors where solutions can be implemented, including energy, industry, transportation, and waste management, emphasizing the need for comprehensive planning and cooperation among ASEAN member states [2.2][2.3] - It highlights the significant mitigation potential of these solutions across multiple sectors, with existing environmental legislation playing a crucial role in achieving these goals [25][29] Regional Cooperation - The report stresses the necessity for regional cooperation to address air pollution and climate change comprehensively, identifying key needs such as integrated planning and funding mobilization [3.2][3.3] - It notes that several organizations and initiatives are already supporting efforts to enhance cooperation in the ASEAN region, which can facilitate the implementation of the identified solutions [30][33] Conclusion - The report concludes that the successful implementation of the 15 identified solutions can lead to substantial health benefits and climate co-benefits for the ASEAN region, urging member states to adopt these measures widely [17][20][39]