Barry Buzan is Emeritus Professor of International Relations at the LSE, and a Senior Fellow at LSE Ideas. In 1998 he was elected a fellow of the British Academy. His recent books include: with Robert Falkner (eds.) Great Power Responsibility and Global Environmental Politics (2022); Making Global Society: A Study of Humankind Across Three Eras (2023); with Robert Falkner (2025) The Market and Global International Society: An English School Approach to International Political Economy; Timelines for Modernity: Rethinking Periodization for Global International Relations (2025); with Mathias Albert (eds.) The Anthropocene Crisis: A World System Science Approach (forthcoming 2026).