This report outlines the shared starting points, research practices and questions to be answered in case studies to ensure comparability of results and their ability to feed into WP6 & WP7. Chapter 2 assesses the state of the art in research and practice of adaptation in seven sectors to fine-tune case studies. Chapter 3 outlines the common understanding adaptation policy, planning and pathways. Chapter 4 establishes a common framework for the assessment of costs, benefits and effectiveness of adaptation measures. Chapter 5 explores participatory and deliberative methods in adaptation. Chapter 6 formulates the key common questions.