Topical Papers Topical Paper (2023): Comparing the Basic Strategies of Japan and Germany Against the Energy Crisis While Aiming to Achieve Their Climate Mitigation Goals Topical Paper (2023): The potential of waste heat usage in Germany and Japan Analytical Paper (2021): Potential technology and business fields of mutual interest for German and Japanese companies Output Paper (2020): Climate & Energy Policy Targets, Plans and Strategies Output Paper (2020): Transport and sector coupling Output paper (2020): Integration Costs of Variable Renewable Energy Sources Output Paper (2020): Energy efficiency in buildings, particularly for heating and cooling Topical Paper (2017): The G20 states – Selected official energy and climate targets: Renewable Energy, Energy Efficiency and GHG (CO2) emissions