This report discusses the climate change adaptation needs of the Asia-Pacific region; it was undertaken in order to inform USAID’s Regional Development Mission for Asia (RDMA). The report’s analysis is based on stakeholder consultations and literature reviews. It focuses on 19 countries: Cambodia, China, Bangladesh, India, Indonesia, Laos, Maldives, the Marshall Islands, Micronesia, Mongolia, Nepal, Papua New Guinea, the Philippines, Thailand, Timor Leste, Solomon Islands, Sri Lanka, Vanuatu and Vietnam. The report begins by outlining vulnerability and adaptation priorities in the region. Whilst drawing on examples, the report goes on to highlight challenges relating to the implementation and planning of adaptation initiatives. Furthermore, key stakeholders and knowledge platforms are discussed, considerations for cooperative adaptation programming are outlined and recommendations for further action are made.