This research note reflects on the methods (as distinct from methodology) used in a five-year interdisciplinary and multi-site research project in global environmental law, and their links to questions of research ethics. We highlight the iterative processes that proved necessary to compare five case studies on local communities engaged in varied discussions on fair and equitable benefit sharing in different regions of the world and their implications for international environmental law. The note recommends explicit reflection on research methods and ethics to acknowledge and address power relationships in global environmental law research.