This report looks at coordination and collaboration between six biodiversity-related conventions and identifies options to strengthen potential synergies in four key areas: a) the science-policy interface (including the role of the Intergovernmental Platform on Biodiversity and Ecosystem Services, IPBES); b) National Biodiversity Strategies and Action Plans (NBSAPs) and the national implementation of the Strategic Plan for Biodiversity 2011-2020; c) national reporting; and d) capacity-building. Five possible approaches to achieving synergies are considered in the report: 1. Enhancing synergies through the existing secretariat level cooperation; 2. Enhancing synergies on programmatic issues through a party-driven approach and enhancing secretariat initiatives as well as synergies at the national level; 3. Extending party-driven synergies to include joint administrative functions, secretariats, budgets and communication functions; 4. Merging conventions as protocols under the CBD; and 5. Reorganization of MEAs under a proposed World/UN Environment Organization.