Supplementary materials for "Ethical Dilemmas in Circular Biomass Conversion"

The dataset includes supplementary information for the study “Ethical dilemmas in circular biomass conversion: Lessons, contradictions, and future directions for sustainable transitions.” The dataset combines materials from two PRISMA-guided systematic reviews conducted on 25 October 2025 covering ethical issues in the circular economy and biomass conversion systems, with additional analytical components. These include a taxonomy of ethical frameworks and dilemmas, detailed thematic descriptors, and bibliographic metadata compiled through conceptual synthesis. Together, the materials represent the ethical discourse and literature available up to October 2025.