Senator Markey believes the United States can and must play a leadership role on the great issues facing the planet - regional instability and poverty, climate change, and the threat of nuclear proliferation. He supports foreign policy objectives that are consistent with American values of democracy, respect for human rights, and self-determination. Senator Markey also works to protects global interests that are intertwined with those of Massachusetts, including in areas such as climate change, intellectual property and energy development. 

Senator Markey is the Ranking Member of the Foreign Relations Subcommittee on East Asia, the Pacific, and International Cybersecurity Policy. In addition, Senator Markey also serves on the Multilateral International Development, Multilateral Institutions, and International Economic, Energy, and Environmental Policy; and Europe and Regional Security Cooperation subcommittees.