Prof. Dr. Miranda Schreurs assumes the role of Co-Chair "Climate and Environment" in the context of the "Think20" (T20) activities. T20 is a network of research institutes and think tanks from the G20 countries, initiated during the Mexican Presidency in 2012 and has continued under the successive G20 presidencies. T20 is one of engagement groups (e.g. B20: Business, L20:Labour, S20: Science, etc.) and it provides research-based policy advice to the G20, facilitates interaction among its members and the policy community, and communicates with the broader public about issues of global importance.