Charlotte Unger has joined the IASS in 2017 and forms part of the project "Climate Action in National and International Processes (ClimAct)" in 2017. ClimAct investigates how scientific expertise can facilitate climate action, particularly within international forums such as the United Nations Framework Convention on Climate Change (UNFCCC) and the Climate and Clean Air Coalition (CCAC). Previous to working with the IASS Charlotte has supported the secretariat of the International Carbon Action Partnership (ICAP) on the topic of international emissions trading systems. She has also worked several years as a project manager for the Environmental Action Germany (DUH) on energy efficiency and climate policy and as a research associate with the Technical University Berlin. Charlotte holds a bachelor's degree in social sciences and a master's degree in public and private environmental management. She is affiliated to the Technical University Munich School of Governance, writing her dissertation on the linking of regional emissions trading systems.