​[Lectures and Presentations]
1. “Retroactive Justice: A Dilemma in Trials for Human Rights Violations under a Prior Regime,” paper presented at the 19th World Congress of Philosophy of Law and Social Philosophy (IVR-99), Pace University, New York, June 24–30, 1999 .

2. “Global Justice: Redistribution, Reparation, and Reformation,” paper presented at the 22nd World Congress of Philosophy of Law and Social Philosophy (IVR-2005), Exhibition and Conference Center, Granada, May 24–29, 2005.

3.  “Government, Civil Society, and Posterity,” paper presented at the First International Symposium, “Democracy for the Sustainable Future,” Kyoto University, Kyoto, May 18–20, 2007.

4. “Law as Public Policy: Combining Justice with Interest,” paper presented at the 23rd World Congress of Philosophy of Law and Social Philosophy (IVR-2007), Jagiellonian University, Cracow, August 1–6, 2007.

5. “Global Climate Change: Philosophical Issues,” presentation made at the 2nd Cutting Edge International Workshop on Macro Economic Dynamics and Computable General Equilibrium Modeling of Climate Changes, Tokyo Institute of Technology, Tokyo, November 13, 2007.

6. “Interpreting Equality: Welfare, Capabilities, or Resource,” presentation made at the 10th International Seminar on Experiments and Surveys in Economics and Related Social Sciences: Economic Incentives and Their Impacts on Human Brain and Behaviors, Tokyo Institute of Technology, Tokyo, July 8 , 2008.

7. “Reasons for Climate Change Policy,” presentation made at the Salzburg Conference 2008 (the 6th Annual Meeting of the Reform Group), “Energy and Climate Policy Towards a Low Carbon Future,” Schloss Leopoldskron, Salzburg, September 15–19, 2008.

8. “The Moral Foundations of Sustainability: Rights versus Fairness,” paper presented at “From the Local to the Global: International SustainAbility Conference,” Villanova University, Villanova, Pa., April 22–25, 2009.

9. “Climate Change, Rights, and Fairness,” paper presented at the Association for Legal and Social Philosophy Annual Conference, University of Edinburgh, Edinburgh, July 2–4, 2009.

10. “Intergenerational Rights: A Philosophical Examination,” paper presented at the 5th Annual International Conference on Philosophy, St George Lycabettus Boutique Hotel, Athens, May 31 to June 3, 2010.

11. “Truth Commissions in the State-Building Process: Promise and Pitfalls,” paper presented at the International Workshop on Statebuilding, Japan International Cooperation Agency Research Institute (JICA-RI), Tokyo, October 4–5, 2010.

12. “Global Justice, Human Rights, and State Duties,” presentation made at the Association for Legal and Social Philosophy Annual Conference, University of Warwick, Coventry, July 4–6, 2011.

13. “Tolerating the Hardly Tolerable: The Offense Principle Reconsidered,” presentation made at “Debating Toleration: Attitudes, Practices and Institutions,” University of Pavia, Pavia, November 3–5, 2011.

14. “Global Justice: What Do We Owe to the Poor?” Paper presented at the 2nd Global Conference, “Living Responsibility: Ethical Issues in Everyday Life,” Michna Palace, Prague, May 16–18, 2012.

15. “Governance for a Low-Carbon Society,” presentation made at Earth System Governance Tokyo Conference: Complex Architectures, Multiple Agents, United Nations University Headquarters, Tokyo, January 28–31, 2013.

16. “Sustainability Science: The Challenge of Comprehensive Discipline Integration,” keynote lecture delivered at UNU / IR3S / UNESCO Joint Symposium, “Sustainability Science: Promoting Integration and Cooperation,” United Nations Educational, Scientific and Cultural Organization (UNESCO) Headquarters, Paris, September 19, 2013.

17. “The Paradox of Democratic Penal Policy,” presentation made at International Conference, “What Is Justice? Re-imagining Penal Policy,” University of Oxford, Oxford, October 1–2, 2013.

18. “Justice after Catastrophe: Responsibility, Security, and Solidarity,” presentation made at International Conference, “Social Justice and Catastrophe: Risk, Responsibility and Reciprocity,” Ritsumeikan University, Kyoto, March 19–20, 2014.

19. “Responsibility for Structural Injustice: A Critical Examination,” presentation made at the Association for Legal and Social Philosophy Annual Conference, University of Leeds, Leeds, July 1–2, 2014.

20. “Human Rights: Philosophical Not Practical,” presentation made at the 9th East Asian Conference on Philosophy of Law, Hankuk University of Foreign Studies, Seoul, August 21–23, 2014.

21. “Climate Justice: Equality or Sufficiency,” presentation made at the 2nd International Conference on Sustainable Development, Roma Eventi Piazza di Spagna, Rome, September 26, 2014.

22. “Penal Populism: A Critical Examination,” presentation made at the Annual International Conference on Interdisciplinary Legal Studies (AICILS 2015), University of Oxford, Oxford, March 2–4, 2015.
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23. “Human Rights as the Rights of Humans: Philosophical Not Practical,” presentation made at Workshop, “The Future of Human Rights: Foundations, Norms, Institutions,” Utrecht University, Utrecht, May 27–29, 2015.

24. “The Core, Scope, and Ground of Luck Egalitarianism,” presentation made at the 27th World Congress on the Philosophy of Law and Social Philosophy (IVR-2015), Georgetown University Law Center, Washington DC, July 27–August 1, 2015.

25. “Distributive Goals in Climate Justice: Equality, Priority, and Sufficiency,” presentation made at the 52nd Annual Conference of Societas Ethica “Globalisation and Global Justice,” Folkhogskola Lunnevad, Linkoping, August 20–23, 2015.
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26. “Distributive Goals and Measures in Disaster Resilience Policy,” presentation made at Expert Meeting in the Grant for Global Sustainability Project, “Enhancement of Urban Disaster Resilience through Activities of Local Participatory Platform,” Hotel Himalalya, Kathmandu, January 21, 2016.

27. “Fairness Concerning the Process and Products of Local Participatory Platform,” presentation made at Expert Meeting in the Grant for Global Sustainability Project, “Enhancement of Urban Disaster Resilience through Activities of Local Participatory Platform,” Myanmar Engineering Society, March 17, 2016.

28. “The Role of Political Arrangements in Legal Philosophy: A Foreigner's Perspective,” presentation made at Workshop, “Foreigners in Philosophy,” University of California, Berkeley, March 29, 2016.

29. “Distributive Goals and Measures in Global Justice,” paper presented at the Workshop on Philosophy and Poverty, University of Salzburg, Salzburg, May 13, 2016.

30. “Fairness Issues on Local Participatory Platform: Theoretical and Practical,” presentation made at the Workshop on Enhancement of Urban Disaster Resilience through Activities of Local Participatory Platform, Yangon City Hall, Yangon, July 15, 2016.

31. “Moral Grounds for Human Rights: A Dualist Approach,” presentation made at the 53rd Societas Ethica Annual Conference “Ethics and Law,” Evangelische Akademie Bad Boll, Bad Boll, August 18-21, 2016.

32. “Distributive Goals in Climate Justice,” presentation made at the 4th International Conference on Sustainable Development, Roma Eventi Fontana di Trevi, Rome, September 16-17, 2016.

33. “Disaster Resilience and Social Fairness: Legal Issues,” presentation made at Expert Meeting in the Workshop on Enhancement of Urban Disaster Resilience through Activities of Local Participatory Platform, Myanmar Engineering Society, Yangon, January 26, 2017.

34. “Democracy, Expertise, and Climate Change,” presentation made at the 3rd International Conference on Public Policy (ICPP3), National University of Singapore, Singapore, June 28–30, 2017.

35. “Generationengerechtigkeit für Sozialversicherung und Finanzen,” paper presented at Symposium über Alternde Gesellschaft und die Antworten des Rechts, Waseda University, Tokyo, July 7, 2017.

36. “Moral Grounds for Human Rights: An Integrated Approach,” presentation made at the 28th World Congress on the Philosophy of Law and Social Philosophy (IVR-2017), University of Lisbon, Lisbon, July 16–21, 2017.

37. “The Right to Development in Climate Policy: A Philosophical Appraisal,” presentation made at the Institute for Public Policy and Economic Analysis 2017 International Conference (IPPEAN 2017), Hilton New York JFK Airport, New York, August 3–4, 2017.

38. “Prioritarianism and Leveling Down,” presentation made at the 9th European Congress of Analytic Philosophy (ECAP9), Ludwig Maximilian University, Munich, August 21–26, 2017.

39. “The Politics of Anger: Perception vs. Fact,” presentation made at the Australian Political Studies Association Conference 2017, Pullman & Mercure Melbourne Albert Park, Melborne, September 25–27, 2017.

40. “Disaster Resilience and Social Fairness: A Legal Perspective,” presentation made at Research Symposium on Enhancement of Urban Disaster Resilience under the UNU Grant for Global Sustainability Project, Myanmar Engineering Society, Yangon, January 17, 2018.

41. “Crime Prevention as Distributive Justice: A Luck Egalitarian Perspective,” presentation made at Redesigning Justice: Promoting Civil Rights, Trust and Fairness, Oxford University, Oxford, March 21–22, 2018.

42. “Epistemic Democracy: An Examination of Judgment Democracy,” presentation made at the 2018 Association for Social and Political Philosophy Conference, Sapienza University of Rome and LUISS Guido Carli, Rome, June 21–23, 2018.

43. “Epistemic Democracy: An Examination,” presentation made at the 1st IVR Japan International Conference (IVRJ 2018), Doshisha University, Kyoto, July 6–8, 2018.

44. “Artificial Intelligence and Distributive Justice,” presentation made at the 25th World Congress of Political Science (2018 IPSA World Congress), Brisbane Convention & Exhibition Center, Brisbane, July 21–25, 2018.

45. “Digitization and Distributive Justice,” presentation made at Conference on Digitization and Business Ethics, Technical University of Munich, Munich, September 20–21, 2018.

46. “The Self and Non-existence,” presentation made at Workshop on the Self, University of California San Diego (UCSD), San Diego, October 19, 2018.

47. “Crime, Luck, and Distributive Justice,” presentation made at the 11th East Asian Conference on Philosophy of Law, University of Hong Kong, Hong Kong, December 13-14, 2018.

48. “Democracy and Violence: What Relationship Exists between Them?” Special lecture delivered at the 9th Tokyo Tech Liberal Arts Mini-Symposium, “Global Justice: Violence and Democracy,” Tokyo Institute of Technology, Tokyo, January 26, 2019.

49. “Historical Responsibility in Climate Justice,” presentation made at International Conference on Climate Change: Impacts and Responses, Catholic University of America, Washington, DC, April 16-17, 2019.

50. “What Challenge to Democracy Will Climate Change Present?” Presentation made at the 4th International Conference on Public Policy (ICPP4), University of Concordia, Montreal, June 26-28, 2019.

51. “Universal Human Rights: An Uncompromised Defense,” presentation made at the 29th World Congress on the Philosophy of Law and Social Philosophy (IVR-2019), University of Lucerne, Lucerne, July 7-12, 2019.

52. “Historical Responsibility for Climate Change: The Problem of Excusable Ignorance,” plenary talk delivered at the 2nd World Congress on Climate Change, Hotel Muggelsee Berlin, Berlin, September 26-28, 2019.

53. “Climate Justice: Responsibility for Past and Current Emissions,” special lecture delivered at International Mobility Program, “Cultural Identities Shaping Environmental Regulation in Japan,” Kyoto University, Kyoto, January 13-17, 2020.

54. “The Ethics of CO2 Capture, Utilization, and Storage: From the Perspective of Climate Justice,” presentation made at International Conference on Global Chains of CO2 Capture, Utilization and Storage, online, December 10-11, 2020.

55. “Restructuring Population Axiology: The Perspective of Intergenerational Fairness,” presentation made at Workshop on Governance for a Sustainable Future, online, September 14, 2021.

56. “Limitarianism: A Critical Examination,” presentation made at the 30th World Congress on the Philosophy of Law and Social Philosophy (IVR-2022), Dimitrie Cantemir Christian University, Bucharest, July 3-8, 2022.

57. “Responding to Existential Risks: Grounds, Targets, and Strategies,” presentation made at Workshop on Principles for Sustainability, Kyoto University and online, Kyoto, August 8, 2022.

58.　"Climate Justice: The Ethics of Sharing the Cost of Climate Change Policy," keynote speech given at the 7th Asia Conference on Environment and Sustainable Development (ACESD 2022) and the 6th International Conference on Energy and Applications (ICNEA 2022), Royal Park Hotel, Kyoto and online, November 4 to 6, 2022.

59.  "Beyond the Threshold Conception of Posterity’s Rights," Conference on Substantive Future Rights, NOVA University of Lisbon & online, Lisbon, March 30 to 31, 2023.

60.  "AI Judges: Potentials and Pitfalls," Lecture for the Students of Northwestern Polytechnical University in China, Kyoto University, Kyoto, July 12, 2023.

61.   "Do Algorithms Dream of Robes? A Moral Appraisal of AI Judges," Lecture for the Students of Beijing University of Posts and Telecommunications, Kyoto University, Kyoto, August 3, 2023.

62.   "Pursuing Human Sustainability in the Face of Existential Risks," presentation made at the 11th International Conference on Sustainable Development (ICSD 2023), Roma Eventi Fontana di Trevi, Rome, September 6-7, 2023.
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63.   "The Use of Artificial Intelligence in the Judiciary: Possibilities, Principles, and Pitfalls," presentation made at The Responsible AI Forum (TRAIF) 2023, Technical University of Munich, Munich, September 13–15, 2023.

64.　"Sufficientarianism in Variable Population Settings," presentation made at the 2nd IVR Japan International Conference (IVRJ 2023), Chiba University, Chiba, September 16-18, 2023.

65.   "Green Transition: Perspectives of Climate Justice," presentation made at the 4th International Scientific Conference, "Innovative self-government. Green transformation: Opportunities and challenges,"  State University of Applied Sciences, Włocławek and online, November 24, 2023.
            Conference recorded

66.　"Failed Social Welfare System in Japan: Causes, Consequences, and Counterplans," presentation made at the 14th Poverty and Social Protection Conference (PSPC 2024), Radisson Suites Bangkok Sukhumvit, Bangkok and online, March 9 to 11, 2024.

67.　"Incorporating Distributive Justice into Existing Risk Studies," lecture delivered at Special Seminar on Evaluating Catastrophic Risks, Kyoto University, Kyoto and online, March 26, 2024.

68.   "Robot Judges and the Rule of Law," presentation made at the 11th Annual International Conference on Business, Law & Economics,  Athens Institute for Education and Research, Athens and online, May 7 to 10, 2024.

69.　"Existential Risk: Relevance of Justice," lecture for the students of the Chinese University of Hong Kong, Kyoto University, Kyoto, June 3, 2024.

70．"Combining Justice with Interest: Toward the Inclusive and Innovative Green Transition in Japan," presentation made at Sustainability Research & Innovation Congress in collaboration with Sustainability Science Days (SRI/SSD2024), Aalto University, Espoo, University of Helsinki, Helsinki, and online, June 10 to 14, 2024.

71．"Just Decarbonization: Expanding and Enriching Just Transition," presentation made at the 2nd Global Virtual Conference on Climate Change (Climate Conclave 2024), online, June 24 to 25, 2024.

72．"The Rule of Law as Opposed to the Rule of Man: Contemporary Implications of the Historical Idea," presentation made at the 31st World Congress on the Philosophy of Law and Social Philosophy (IVR-2024), Soongsil University, Seoul, July 7-12, 2024.

​73.　"Facial Recognition and Human Rights: An Autonomy-based Approach," presentation made at International Conference on Human Rights (ICHRS-2024), online, September 12, 2024.

74.　"Existential Risk: Facing Global Technology Risks," lecture for the students of Shenzhen University, Kyoto University, Kyoto, December 7, 2024.

75.　"Legal Singularity: Implications for the Rule of Law," presentation made at the International Workshop on Ethical, Legal, and Social Issues of AI Development and Use, Kyoto University, Kyoto, February 18, 2025.


[Chair, Commentator, and Panelist]
1. “Justice, Reconciliation, and Democracy: A Response to Professor Christodoulidis,” a comment made at the IVRJ Central Region Seminar, “Justice, Reconciliation, and Memory: The Legal Philosophy of Truth Commissions,” Nanzan University, Nagoya, June 25, 2002 

2. “Shallow Grounds for Shallow Judicial Decision: A Response to Sunstein,” a comment made at the Ninth Kobe Memorial Lecture, “Judicial Minimalism: For and Against,” Aoyama Gakuin University, Tokyo, June 7, 2008 

3. Chair, IVRJ Tokyo Seminar, “Global Justice and Nationality,” Meiji Gakuin University, Tokyo, July 2, 2011

4. Chair, Session 2: Caring and Humanity, 2nd Global Conference, “Living Responsibility: Ethical Issues in Everyday Life,” Michna Palace, Prague, May 16, 2012.

5. Cochair, IVRJ Kyoto Seminar, “Re-examining Jurisprudence: The Potentiality and Scope of Social Legal Theory,” Doshisha University, Kyoto, June 7, 2014

6. Chair, Kyoto Lecture, “An Ethics of Order in the Globalized World,” Kyoto University, Kyoto, October 27, 2015

7. Chair, Opening Session, International Symposium of Global Collaboration on Education, Research, and Business in Environmental Studies, Kyoto University, Kyoto, December 11, 2015

8. Address, Opening Session, 4th International Conference on Sustainable Development, Roma Eventi Fontana di Trevi, Rome, September 16, 2016.

9. Chair, Track B “Environmental Sustainability” Session 2, 4th International Conference on Sustainable Development, Roma Eventi Fontana di Trevi, Rome, September 16, 2016.

10. Chair, Session A “Public Policy and Information Technology,” Institute for Public Policy and Economic Analysis 2017 International Conference (IPPEAN 2017), Hilton New York JFK Airport, New York, August 4, 2017.

11. Chair, Session A1 “Democarcy and Law,” 1st IVR Japan International Conference (IVRJ 2018), Doshisha University, Kyoto, July 7, 2018.

12. Chair, Sub-session 1 “Achievements and Challenges in GSGES: Research, Education, and Trans-border Partnerships,” IPB & KU International Symposium on Education and Research in Global Environmental Studies in Asia, Bogor Agricultural University, Bogor, November 30, 2018 ..

13. Panelist, 9th Tokyo Tech Liberal Arts Mini-Symposium, “Global Justice: Violence and Democracy,” Tokyo Institute of Technology, Yokohama, January 26, 2019.

14. Cochair, Sessions on Climate Change & Climatology, Adaptation & Mitigation of Climate Change, Climate Change & Natural Environment, Biofuels & Bioenergy Applications, 2nd World Congress on Climate Change, Hotel Muggelsee Berlin, Berlin, September 26, 2019.

15. Chair, Opening Session, IVR Japan International Workshop 2020 (IVRJW 2020), online, November 21, 2020.

16. Cochair, Young Researcher Presentations in Global Environmental Studies: Policy and Economics, Kyoto University International ONLINE Symposium 2020 on Education and Research in Global Environmental Studies in Asia, online, December 1, 2020.

17. Chair, Workshop on Governance for a Sustainable Future, online, September 14, 2021.

18. Cochair, Oral Research Presentation: Policy, Economics, and Culture, Kyoto University International ONLINE Symposium 2021 on Education and Research in Global Environmental Studies in Asia, online, November 30, 2021.

19. "Graduate School of Global Environmental Studies: Education and International Collaboration," Kyoto University-Tsinghua University Symposium 2021 on Research and Education of Environmental Engineering, online, December 18, 2021. 

20. "A Comment on Susumu Morimura, 'Another Reason for Caring about Future Generations'," comment made at Workshop on Principles for Sustainability, Kyoto University and online, August 8, 2022.

21. Chair, Workshop on Principles for Sustainability, Kyoto University and online, August 8, 2022.

22. Chair, Workshop on Strategies for Futurity, Kyoto University and online, August 9, 2022.

23.  Address, Plenary Session, 11th International Conference on Sustainable Development (ICSD 2023), Roma Eventi Fontana di Trevi, Rome, September 6, 2023.

24.  Chair, Track A: Environmental Sustainability, 11th International Conference on Sustainable Development (ICSD 2023), Roma Eventi Fontana di Trevi, Rome, September 6, 2023.

25.  Address, Impulse Session: Global Perspectives on AI Ethics, The Responsible AI Forum (TRAIF) 2023, Technical University of Munich, Munich, September 13, 2023.

26. Chair, Plenary Session, 2nd IVR Japan International Conference (IVRJ 2023), Chiba University, Chiba, September 18, 2023.

27. "Concluding Remarks," Kyoto University International Symposium 2023 on Education and Research in Global Environmental Studies in Asia, "Rural Culture and Conservation: Implications for Global Environmental Studies in the Anthropocene," Hue University of Agriculture and Forestry, Hue and online, December 23, 2023.

28. "Concluding Remarks," 7th Kyoto University–Mahidol University On-site Laboratory Workshop, Mahidol University, Bangkok and online, February 23, 2024.

29.  Chair, Session 6, 11th Annual International Conference on Business, Law & Economics,  Athens Institute for Education and Research, Athens and online, May 8, 2024.

30.  "International Collaboration by the Graduate School of Global Environmental Studies: 2005 to 2024 and Beyond," panel discussion on Enhancing Educational Curricula through University Collaboration, Kyoto University International Symposium 2024 on Education and Research in Global Environmental Studies in Asia, and online, Phnom Penh and online, December 3, 2024.

31.　"Welcome Address," International Workshop on Ethical, Legal, and Social Issues of AI Development and Use, Kyoto University, Kyoto, February 18, 2025.

32.　"Addressing Trumpism Collectively: A Reply to Dimitar Gueorguiev," comment made at the 2025 Taiwan Association for Schools of Public Administration and Affairs (TASPAA) International Symposium, National Dong Hwa University, Hualien, April 25, 2025.