This document summarizes a workshop on ecosystem-based disaster risk reduction and climate change adaptation. The workshop brought together key researchers, policymakers, and practitioners to discuss evidence and economics of ecosystem approaches as well as decision-making tools. Presentations were given on case studies of ecosystem-based projects in India and Indonesia. Discussions focused on how to improve valuation of ecosystem services, operationalize ecosystem approaches, and communicate information to policymakers and communities. The workshop aimed to improve understanding and tools to demonstrate the cost-effectiveness of ecosystem-based approaches.