1. The Material Basis of Energy Transitions - An Introduction 2. Social Science Perspectives on the Energy-Climate-Metals Nexus 3. Metal-Energy Nexus in the Global Energy Transition Calls for Cooperative Actions 4. Dependency of renewable energy technologies on critical resources 5. Stationary battery systems: Future challenges regarding Resources, Recycling and Sustainability 6. Making Critical Materials Valuable: Decarbonization, Investment & 'Political Risk 7. Environmental Impacts of Mineral Sourcing and their Impacts on Criticality 8. Limits of LCA in the context of energy transition and its material basis 9. Critical Resources, Sustainability and Future Generations 10. Conflicts related to resources: The case of cobalt mining in the Democratic Republic of Congo 11. Voluntary Sustainability Initiatives - an approach to make mining more responsible? 12. The role of a circular economy for energy transition 13. Substitution of critical materials - a strategy to deal with material needs of energy transition? 14. Renewable energy technologies and their implications for critical materials from a sociology of consumption perspective - The case of photovoltaic systems and electric vehicles 15. Renewable Energy and Critical Minerals - A Field Worthy of Interdisciplinary Research