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  1. Liu Xiaobo

    Liu Xiaobo

    Writing for PS since 2005
    2 Commentaries

    Liu Xiaobo, a Nobel Peace Prize laureate, was president of the Chinese chapter of PEN.

  2. Zhenhua Xie

    Writing for PS since 2009
    1 Commentary

    Xie Zhenhua is President Hu Jintao’s Special Representative on Climate Change and Vice Chairman of the National Development and Reform Commission of China.

  3. Yan Xuetong

    Writing for PS since 2011
    1 Commentary

    Yan Xuetong, one of China’s leading strategic thinkers, is Professor of Political Science and Director of the Institute of International Studies at Tsinghua University, Beijing, and Chief Editor of The Chinese Journal of International Politics. His latest book is Ancient Chinese Thought, Modern Chinese Power.

  4. Marino Xanthos

    Marino Xanthos

    Writing for PS since 2013
    1 Commentary

    Marino Xanthos is Professor of Chemical, Biological, and Pharmaceutical Engineering at the New Jersey Institute of Technology.

  5. Maria Xynou

    Maria Xynou

    Writing for PS since 2017
    1 Commentary

    Maria Xynou, a digital rights advocate, manages community research on the study of Internet censorship at the Open Observatory of Network Interference (OONI) project.

  6. Jiajun Xu

    Jiajun Xu

    Writing for PS since 2020
    1 Commentary

    Jiajun Xu is Executive Deputy Dean of Peking University’s Institute of New Structural Economics.

  7. Lin Xu

    Lin Xu

    Writing for PS since 2021
    1 Commentary

    Lin Xu is Chairman of the US-China Green Fund.

  8. Qiyuan Xu

    Qiyuan Xu

    Writing for PS since 2022
    2 Commentaries

    Qiyuan Xu is Senior Fellow and Deputy Director of the Institute of World Economics and Politics at the Chinese Academy of Social Sciences.

  9. Chenggang Xu

    Chenggang Xu

    Writing for PS since 2022
    1 Commentary

    Chenggang Xu is Senior Research Fellow of the Stanford Center on China's Economy and Institutions at Stanford University.

  10. Lucie Qian Xia

    Lucie Qian Xia

    Writing for PS since 2023
    1 Commentary

    Lucie Qian Xia is a diplomatic scholar and adviser who previously served the UN Representation Office to the European Union and the EU Delegation to China.

  1. cnobre2_CARL DE SOUZAAFP via Getty Images_amazonfire Carl de Souza/AFP via Getty Images

    The Amazon’s Future Will Be Decided in 2025

    Carlos Nobre & Marielos Peña-Claros warn that the world's largest rainforest is reaching a tipping point, beyond which it will largely disappear.
  2. zizek42_Andrej IsakovicGettyImages_serbia_student_protests Andrej Isakovic/Getty Images

    The New Face of Protest

    Slavoj Žižek

    The mass student protests that have swept Serbia since last November are distinctly “apolitical,” because their goal is to create the conditions for a new politics, rather than settle for another version of the same old game. Young Serbs understand that neither justice nor democracy is possible until the tables have been cleared.

    contrasts the pioneering mass student demonstrations in Serbia with widespread private resignation in China.
  3. lee54_Ed JonesGettyImages_korea_elderly_worker Ed Jones/Getty Images

    Reaping Asia’s Silver Demographic Dividend

    Lee Jong-Wha urges governments to develop integrated policies that encourage older adults to stay in the workforce.
  4. ekue1_Peter DazeleyGettyImages_green_jar_coins Peter Dazeley/Getty Images

    Getting Green Investment Where It’s Needed Most

    Serge Ekué & Javier Díaz Fajardo propose a strategy to redirect all financial flows toward the climate transition.
  5. kallot1_pixdeluxeGetty Images_africaAI pixdeluxe/Getty Images

    The Global South Needs to Own Its AI Revolution

    Kate Kallot explains how these countries can advance a community-driven approach to the emerging technology.
  6. adebajo13_Alexis HuguetGettyImages_goma_m23_conflict Alexis Huguet/Getty Images

    Africa’s Year of Warlords and Meddlers

    Adekeye Adebajo foresees growing instability and more foreign interference on the continent in 2025.
  7. basu109_Matt CardyGetty Images_socialmedia Matt Cardy/Getty Images

    Playing at Democracy

    Kaushik Basu explains how a well-known children's game illustrates the logic of today's emerging oligarchies.
  8. gros195_StockbyteGettyImages_deregulation_red_tape Stockbyte/Getty Images

    The Revolt Against Regulation

    Daniel Gros explains why the new push for deregulation in the United States and the European Union may not help either.
  9. sherwin14_Andrew HarnikGetty Images_trump Andrew Harnik/Getty Images

    Donald Trump’s Misrule of Law

    Richard K. Sherwin

    By insisting on its own supremacy, the executive branch of the US government under President Donald Trump is effectively seeking to alter America’s constitutional framework of checks and balances among co-equal branches of government. Trump has no authority to execute this change, but that will not be enough to stop him.

    observes that the president's claim of supremacy over the courts amounts to tossing out the US Constitution.

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