Adrien Estève is Associate Researcher at the Chair and Postdoctoral Researcher at Sciences Po’s Center for International Studies (CERI). His research focuses on the development of a risk-based approach to climate change in defense and security policies in Europe and in the United States. He co-organises the research seminar 'Environment and International Relations' at CERI and the research group 'Environment, climate, security and defense' at the Association for Strategic and War Studies (AEGES). He was also a visiting scholar at Columbia University for the academic year 2017-2018 and in April 2019.

Research interests:

• Climate change and environmental policies 
• Sociology of risk and "riskification"
• Security and Strategic Studies 
• International relations and global governance