Dr Langevin researches and writes extensively on Brazilian energy policymaking and United States-Brazil relations He is a regular contributor to such publications as: London School of Economics and Politics blog  American Diplomacy  Boletim Meridiano 47  Brazzil  the Inter-American Dialogue’s Latin American Advisor  Journal of Energy Security  the Labor Studies Journal  Review of Renewable Energy Law and Policy  and Universitas:Relações Internacionais