Christian Flachsland is Professor of Sustainability at the Hertie School. His research focuses on climate, energy and sustainability governance and political economy. He is particularly interested in the institutional analysis of policies in multi-level settings as well as the temporal dynamics of policy pathways. Christian is also head of the governance working group at the Mercator Research Institute on Global Commons and Climate Change (MCC). He previously co-led the working group Assessments and Scientific Policy Advice at MCC, and was a contributing author to the Fifth Assessment on the Mitigation of Climate Change by the Intergovernmental Panel on Climate Change (IPCC).