In preparing for the 23 September 2019 Climate Action Summit called by the United Nations Secretary-General, the Nature-Based Solutions (NBS) Coalition put out a global call for initiatives on how NBS can be enhanced and scaled-up. More than 180 proposals were received and have been posted online in advance of the Summit. The purpose of this compendium is to share a summary of initiatives and best practices received from the global call. The NBS coalition co-leads, China and New Zealand, drew on the proposals to build the NBS for Climate Manifesto below in order to articulate the value and rationale for implementing NBS. Compiled by the Nature-Based Solutions (NBS) Facilitation Team with the entrustment of China and New Zealand, the co-lead countries of the nature-based solutions coalition of the 2019 UN Climate Action Summit.