Nils Petter Gleditsch

Research Professor; Professor Emeritus of Political Science, NTNU

Nils Petter Gleditsch
Email: nilspg@prio.org
Work phone: (+47) 22 54 77 21
Mobile phone: (+47) 906 05 639

Research Interests

The decline of war
Environmental conflict
 

Background

​​​Languages spoken:

Norwegian, English (German, French)   


Research Groups

Full member:

PRIO Departments

Current
Historical

PRIO Projects

Finished:

Events

PRIO started tracking events online in 2007. This listing is not complete. Past events may be mentioned in our news archive.

Publications

Further publications listed at ResearcherID 

Recent Publications

Gleditsch, Nils Petter (ed.) (2017) R.J. Rummel: An Assessment of His Many Contributions. Cham: Springer. SpringerBriefs on Pioneers in Science and Practice.
Theisen, Ole Magnus; Nils Petter Gleditsch & Halvard Buhaug (2017) Climate Change and Armed Conflict: Reviewing the Evidence, in Stohl, Michael; Mark I. Lichbach; & Peter Nils Grabosky, eds, States and Peoples in Conflict. New York: Routledge (113–129).

All Publications

Peer-reviewed Journal Article

Gleditsch, Nils Petter & Nicole Janz (2016) Replication in International Relations, International Studies Perspectives 17(4): 361–366.
Gleditsch, Nils Petter & Ida Rudolfsen (2016) Are Muslim countries more prone to violence?, Research and Politics 3(2): 1–9.
Buhaug, Halvard; Jonas Nordkvelle; Thomas Bernauer; Tobias Böhmelt; Michael Brzoska; Joshua W. Busby; Antonio Ciccone; Hanne Fjelde; Erik Gartzke; Nils Petter Gleditsch; Jack A. Goldstone; Håvard Hegre; Helge Holtermann; Vally Koubi; Jasmin S. A. Link; Peter Michael Link; Päivi Lujala; John O'Loughlin; Clionadh Raleigh; Jürgen Scheffran; Janpeter Schilling; Todd G. Smith; Ole Magnus Theisen; Richard S. J. Tol; Henrik Urdal & Nina von Uexkull (2014) One effect to rule them all? A comment on climate and conflict, Climatic Change 127(3): 391–397.
Gleditsch, Nils Petter & Ragnhild Nordås (2014) Conflicting messages? The IPCC on conflict and human security, Political Geography 43: 82–90.
Gleditsch, Nils Petter; Jonas Nordkvelle & Håvard Strand (2014) Peace research – Just the study of war?, Journal of Peace Research 51(2): 145–158.
Böhmelt, Tobias; Thomas Bernauer; Halvard Buhaug; Nils Petter Gleditsch; Theresa Tribaldos & Gerdis Wischnath (2014) Demand, Supply, and Restraint: Determinants of Domestic Water Conflict and Cooperation, Global Environmental Change 29: 337–348.
Theisen, Ole Magnus; Nils Petter Gleditsch & Halvard Buhaug (2013) Is climate change a driver of armed conflict?, Climatic Change 117(3): 613–625.
Lacina, Bethany Ann & Nils Petter Gleditsch (2013) The Waning of War is Real: A Response to Gohdes and Price, Journal of Conflict Resolution 57(6): 1109–1127.
Østby, Gudrun; Håvard Strand; Nils Petter Gleditsch & Ragnhild Nordås (2013) Gender Gap or Gender Bias in Peace Research? Publication Patterns for Journal of Peace Research 1983–2008, International Studies Perspectives 14(4): 493–506.
Gleditsch, Nils Petter; Steven Pinker; Bradley A. Thayer; Jack S. Levy & William R. Thompson (2013) The Forum: The Decline of War, International Studies Review 15(3): 396–419.
Brochmann, Marit & Nils Petter Gleditsch (2012) Shared Rivers and Conflict – A Reconsideration, Political Geography 31(8): 519–527.
Cappelen, Ådne & Nils Petter Gleditsch (2012) En fredsgevinst for Norge - eller fortsatt opprustning? [A Peace Dividend for Norway - Or Continued Rearmament?], Samfunnsøkonomen 26(6): 26–31.
Bernauer, Thomas; Tobias Böhmelt; Halvard Buhaug; Nils Petter Gleditsch; Theresa Tribaldos; Eivind Berg Weibust & Gerdis Wischnath (2012) Water-Related Intrastate Conflict and Cooperation (WARICC): A New Event Dataset, International Interactions 38(4): 529–545.
Bernauer, Thomas & Nils Petter Gleditsch (2012) New Event Data in Conflict Research, International Interactions 38(4): 375–381.
Brochmann, Marit; Jan Ketil Rød & Nils Petter Gleditsch (2012) International Borders and Conflict Revisited, Conflict Management and Peace Science 29(2): 170–194.
Gleditsch, Nils Petter (2012) Whither the Weather? Climate Change and Conflict, Journal of Peace Research 49(1): 3–9.
Schneider, Gerald; Nils Petter Gleditsch & Sabine C. Carey (2011) Forecasting in International Relations: One Quest, Three Approaches, Conflict Management and Peace Science 28(1): 5–14.
Urdal, Henrik; Ole Magnus Theisen; Nils Petter Gleditsch & Halvard Buhaug (2010) Klimakriger? En vurdering av det faglige grunnlaget [Climate Wars? An Assessment of the Scientific Foundation], Norsk Statsvitenskapelig Tidsskrift 26(4): 297–320.
Gleditsch, Nils Petter & Ragnhild Nordås (2009) Climate Change and Conflict: A Critical Overview, Die Friedens-Warte 84(2): 11–28.
Rustad, Siri Aas; Jan Ketil Rød; Wenche Larsen & Nils Petter Gleditsch (2008) Foliage and Fighting: Forest Resources and the Onset, Duration, and Location of Civil War, Political Geography 27(7): 761–782.
Nordås, Ragnhild & Nils Petter Gleditsch (2007) Climate Change and Conflict, Political Geography 26(6): 627–638.
Binningsbø, Helga Malmin; Indra de Soysa & Nils Petter Gleditsch (2007) Green Giant or Straw Man? Environmental Pressure and Civil Conflict, 1961–99, Population and Environment 28(6): 337–353.
Lacina, Bethany Ann; Nils Petter Gleditsch; & Bruce M. Russett (2006) The Declining Risk of Death in Battle, International Studies Quarterly 50(3): 673–680.
Gleditsch, Nils Petter; Kathryn Furlong; Håvard Hegre; Bethany Ann Lacina & Taylor Owen (2006) Conflicts over Shared Rivers: Resource Wars or Fuzzy Boundaries?, Political Geography 25(4): 361–382.
Furlong, Kathryn; Nils Petter Gleditsch & Håvard Hegre (2006) Geographic Opportunity and Neomalthusian Willingness: Boundaries, Shared Rivers, and Conflict, International Interactions 32(1): 79–108.
Gleditsch, Nils Petter; Håvard Hegre; Kathryn Furlong; Bethany Ann Lacina & Taylor Owen (2006) Conflict over Shared Rivers: Resource Scarcity or Fuzzy Boundaries, Political Geography 25(4): 361–382.
Lacina, Bethany Ann; & Nils Petter Gleditsch (2005) Monitoring Trends in Global Combat: A New Dataset of Battle Deaths, European Journal of Population 21(2): 145–165.
Lujala, Päivi; Nils Petter Gleditsch; & Elisabeth Gilmore (2005) A Diamond Curse? Civil War and a Lootable Resource, Journal of Conflict Resolution 49(4): 538–562.
Gilmore, Elisabeth; Nils Petter Gleditsch; Jan Ketil Rød & Päivi Lujala (2005) Conflict Diamonds: A New Dataset, Conflict Management and Peace Science 22(3): 257–292.
Strand, Håvard; Nils Petter Gleditsch; & Mirjam E. Sørli (2005) Why Is There So Much Conflict in the Middle East?, Journal of Conflict Resolution 49(1): 141–165.
Furlong, Kathryn & Nils Petter Gleditsch (2003) The Boundary Dataset, Conflict Management and Peace Science 20(1): 93–117.
Gleditsch, Nils Petter; Claire Metelits & Håvard Strand (2003) Posting Your Data: Will You Be Scooped or Will You Be Famous?, International Studies Perspectives 4(1): 89–97.
Gleditsch, Nils Petter (2003) The Replication Debate, International Studies Perspectives 4(1): 72–79.
Ravlo, Hilde; Han Dorussen & Nils Petter Gleditsch (2003) Colonial War and the Democratic Peace, Journal of Conflict Resolution 47(4): 520–548.
Knudsen, Are; Henrik Urdal; Astri Suhrke & Nils Petter Gleditsch (2003) Conflict and Development: Framework for a Proposed Research Area: 19–.
Strand, Håvard; Mikael Eriksson; Peter Wallensteen; Nils Petter Gleditsch & Margareta Sollenberg (2002) Armed Conflict 1946–2001: A New Dataset, Journal of Peace Research 39(5).
Urdal, Henrik & Nils Petter Gleditsch (2002) Ecoviolence? Links Between Population-Growth, Environmental Scarcity and Violent Conflict in Thomas Homer-Dixon's Work, Journal of International Affairs 56(1): 283–302.
Gleditsch, Nils Petter; Håvard Hegre; Tanja Ellingsen & Scott Gates (2001) Toward a Democratic Civil Peace? Democracy, Political Change and Civil War 1816–1992, American Political Science Review 95(1): 33–48.
Toset, Hans Petter Wollebæk; Nils Petter Gleditsch; & Håvard Hegre (2000) Shared Rivers and Interstate Conflict, Political Geography 19(8): 971–996.
Gleditsch, Nils Petter & Ranveig Gissinger (1999) Globalization and Conflict: Welfare, Distribution, and Political Unrest, Journal of World-Systems Research 5(2): 274–300.
Gleditsch, Nils Petter (1999) Do Open Windows Encourage Conflict? Opening statement at the dissertation defense of Björn Holmberg, Uppsala University, 26 May 1998, Statsvetenskapeligt tidskrift 102(3): 303–318.
Gleditsch, Nils Petter (1998) Armed Conflict and the Environment: A Critique of the Literature, Journal of Peace Research 35(3): 381–400.
Gates, Scott; Nils Petter Gleditsch; Håvard Hegre & Ranveig Gissinger (1998) Timing the Changes in Political Structures. A New Polity Database, Journal of Conflict Resolution 42(2): 231–242.
Gleditsch, Nils Petter & Håvard Hegre (1997) Peace and Democracy: Three Levels of Analysis, Journal of Conflict Resolution 41(2): 283–310.
Gleditsch, Nils Petter (1996) Democracy and Democratization: Not Quite the State of the Art, Security Dialogue 27(3): 349–351.
Gleditsch, Nils Petter (1996) Democracy and Democratization: Not Quite the State of the Art (review of Seymour Martin Lipset, ed. The Encyclopedia of Democracy), Security Dialogue 27(3): 349–354.
Gleditsch, Nils Petter (1996) Det nye sikkerhetsbildet: Mot en demokratisk og fredelig verden?, Internasjonal Politikk 54(3): 291–310.
Gleditsch, Nils Petter (1995) 35 Major Wars? A Brief Comment on Mueller, Journal of Conflict Resolution 39(3): 584–587.
Gleditsch, Nils Petter (1995) Democracy and the Future of the European Peace, European Journal of International Relations 1(4): 539–571.
Gleditsch, Nils Petter (1994) Treholt-litteraturen: En studie i polarisering, Internasjonal Politikk 52(2): 275–287.
Gleditsch, Nils Petter (1993) The Most Cited Articles in JPR, Journal of Peace Research 30(4): 445–449.
Gleditsch, Nils Petter (1993) The Most Cited Articles in JPR, Journal of Peace Research 30(4): 445–449.
Gleditsch, Nils Petter (1992) Focus On: Democracy and Peace, Journal of Peace Research 29(4): 369–376.
Gleditsch, Nils Petter (1992) The Future of Nordic Military Spending, Cooperation and Conflict 27(4).
Smith, Dan; Håkan Wiberg & Nils Petter Gleditsch (1992) The Nordic Countries: Peace Dividend or Security Dilemma?, Cooperation and Conflict 27(4): 323–347.
Gleditsch, Nils Petter (1992) Defence Without Threat? The Future of Norwegian Military Spending, Cooperation and Conflict 27(4): 397–413.
Gleditsch, Nils Petter (1992) Focus On: Democracy and Peace, Journal of Peace Research 29(4): 369–376.
Gleditsch, Nils Petter & Einar Høgetveit (1984) Freedom of Information in National Security Affairs: A Comparative Study of Norway and the United States, Journal of Peace Research 21(1): 17–45.
Bjerkholt, Olav; Nils Petter Gleditsch & Ådne Cappelen (1984) Military Spending and Economic Growth in the OECD Countries, Journal of Peace Research 21(4): 361–373.
Wilkes, Owen & Nils Petter Gleditsch (1978) Optical Satellite Tracking: A Case Study in University Participation in Preparation for Space Warfare, Journal of Peace Research 15(3): 205–225.
Gleditsch, Nils Petter (1977) Toward a Multilateral Aviation Treaty, Journal of Peace Research 14(3): 239–259.
Gleditsch, Nils Petter; Kristen Ringdal & Ottar Hellevik (1975) The Common Market Issue in Norway: A Conflict Between Center and Periphery, Journal of Peace Research 12(1): 37–53.
Gleditsch, Nils Petter (1967) Trends in World Airline Patterns, Journal of Peace Research 4(4): 366–408.

Monograph

Gleditsch, Nils Petter (2016) Mot en mer fredelig verden?. Oslo: Pax Forlag.
Gleditsch, Nils Petter (2015) Nils Petter Gleditsch: Pioneer in the Analysis of War and Peace. New York: Springer. SpringerBriefs on Pioneers in Science and Practice .
Gleditsch, Nils Petter (2003) The Future of Armed Conflict. Ramat Gan: The Begin-Sadat Center for Strategic Studies. Annual Madame Madeleine Feher European Scholar-in-Residence Lecture.
Miller, Ragnhild Hustad; Nils Petter Gleditsch; Monica Jacobsen; Jennifer L. Bailey & Anita Schjølset (1998) Det nye sikkerhetsbildet. Mot en demokratisk og fredelig verden?. Trondheim.
Gleditsch, Nils Petter & Håvard Hegre (1995) Nasjonsdata: En Lærepakke. Oslo.
Cappelen, Ådne; Nils Petter Gleditsch & Olav Bjerkholt (1994) The Wages of Peace: Disarmament in a Small Industrialized Economy. London.
Cappelen, Ådne; Olav Bjerkholt & Nils Petter Gleditsch (1994) The Wages of Peace. Disarmament in a Small Industrialized Economy. London.
Wilkes, Owen & Nils Petter Gleditsch (1987) Loran-C and Omega. A Study of the Military Importance of Radio Navigation Aids. Oslo: Norwegian University Press.

Book Chapter

Theisen, Ole Magnus; Nils Petter Gleditsch & Halvard Buhaug (2017) Climate Change and Armed Conflict: Reviewing the Evidence, in Stohl, Michael; Mark I. Lichbach; & Peter Nils Grabosky, eds, States and Peoples in Conflict. New York: Routledge (113–129).
Gleditsch, Nils Petter; Erik Melander & Henrik Urdal (2016) Introduction – Patterns of Armed Conflict Since 1945, in Mason, T. David; & Sara McLaughlin Mitchell, eds, What Do We Know About Civil War?. Lanham, MD: Rowman & Littlefield (15–32).
Gleditsch, Nils Petter (2015) Climate Change, Environmental Stress, and Conflict, in Crocker, Chester; Fen Osler Hampson; & Pamela Aall, eds, Managing Conflict In a World Adrift. Washington DC: United States Institute of Peace Press (147–168).
Nordås, Ragnhild & Nils Petter Gleditsch (2015) Climate change and conflict, in Hartland, Susanne; & Wolfgang Liebert, eds, Competition and Conflicts on Resource Use. London: Springer (21–38).
Gleditsch, Nils Petter (2015) A personal retrospective, in Nils Petter Gleditsch, ed., Nils Petter Gleditsch – Pioneer In the Analysis of War and Peace. New York: Springer (3–18).
Gleditsch, Nils Petter (2014) Overvåking under kontroll [Surveillance under Control], in Lene Berg, ed., Gompen Og Andre Beretninger Om Overvåking I Norge 1948–89. Oslo: URO/KORO (7–16).
Gleditsch, Nils Petter (2014) Will climate change reverse the trend towards peace?, in Schneckener, Ulrich; Arnulf von Scheliha; Andreas Lienkamp; & Britta Klagge, eds, Wettstreit um Ressourcen. Konflikte um Klima, Wasser und Boden. Berlin: Oekom-Verlag (49–60).
Gleditsch, Nils Petter (2013) Arthur Westing: A Personal Memoir, in Hans Günther Brauch, ed., From Environmental to Comprehensive Security. New York: Springer (xi-xiii).
Schneider, Gerald & Nils Petter Gleditsch (2013) The capitalist peace: Origins and prospects of a liberal idea, in Schneider, Gerald; & Nils Petter Gleditsch, eds, Assessing the Capitalist Peace. London: Routledge .
Nordås, Ragnhild & Nils Petter Gleditsch (2013) The IPCC, Human Security, and the Climate-conflict Nexus, in Redclift, Michael; & Marco Grasso, eds, Handbook on Climate Change and Human Security. Cheltenham: Edward Elgar Publishing (67–88).
Gleditsch, Nils Petter & Halvard Buhaug (2011) Årsaker til krig [Causes of War], in Hovi, Jon; & Raino Malnes, eds, Anarki, makt og normer: Innføring i internasjonal politikk. Oslo: Abstrakt forlag (167–190).
Gleditsch, Nils Petter & Ole Magnus Theisen (2010) Implications of Climate Change for Armed Conflict, in The Social Dimensions of Climate Change: Equity and Vulnerability in a Warming World. Washington: (75–101).
Gleditsch, Nils Petter & Ole Magnus Theisen (2010) Resources, the Environment and Conflict, in The Routledge Handbook of Security Studies. New York, NY: (221–232).
Gleditsch, Nils Petter (2010) Introductory Essay, in Nigel Young, ed., The Oxford International Encyclopedia of Peace. Oxford: .
Gleditsch, Nils Petter; Håvard Hegre; & Håvard Strand (2009) Democracy and Civil War, in Handbook of War Studies III. Ann Arbor: University of Michigan Press (155–192).
Gleditsch, Nils Petter(2008) Armed Conflict and the Environment International Environmental Politics (Volume IV). : (273–258).
Gleditsch, Nils Petter (2008) Peace and Democracy, in Lester Kurtz, ed., Encyclopedia of Violence, Peace, and Conflict. San Diego, CA: Elsevier (1430–1437).
Gleditsch, Nils Petter & Håvard Hegre (2008) Paqja dhe demokracia [Peace and Democracy], in Midgaard, Knut; & Bjørn Erik Rasch, eds, Demokracia – kushtet dhe pasojat. Prishtina: (279–301).
Gleditsch, Nils Petter (2007) Environmental Change, Security, and Conflict, in Leashing the Dogs of War: Conflict Management in a Divided World. Washington, DC: (177–195).
Buhaug, Halvard & Nils Petter Gleditsch (2006) The Death of Distance? The Globalization of Armed Conflict, in Kahler, Miles; & Barbara F. Walter, eds, Territoriality and Conflict In an Era of Globalization. New York: Cambridge University Press (187–216).
Lacina, Bethany Ann; & Nils Petter Gleditsch (2006) Monitoring Trends in Global Combat: A New Dataset of Battle Deaths, in Brunborg, Helge; Ewa Tabeau; & Henrik Urdal, eds, The Demography of Armed Conflict. Berlin: Springer (145–165).
Gleditsch, Nils Petter (2006) Mot et utvidet sikkerhetsbegrep? [Toward an Extended Concept of Security?], in Normer og makt: Innføring i internasjonal politikk. Oslo: (95–114).
Gleditsch, Nils Petter (2005) Mot et Utvidet Sikkerthetsbegrep [Towards an Extended Concept of Security], in Hovi, Jon; & Raino Malnes, eds, Normer Og Makt: Innføring I Internasjonal Politikk. Oslo: Abstrakt Forlag (95–114).
Gleditsch, Nils Petter (2005) Resources, the Environment and Conflict, in Proceedings of the International Conference on ‘Environment, Peace, and the Dialogue of Civilizations and Cultures’ Tehran, 9–10 May. Teheran: (135–153).
Gleditsch, Nils Petter (2005) Armed Conflict and the Environment, in War. Library of International Relations. London: (252–274).
Hegre, Håvard; Nils Petter Gleditsch; Scott Gates & Tanja Ellingsen (2005) Towards a Democratic Civil Peace, in War. Library of International Relations. London: (165–193).
Gleditsch, Nils Petter & Håvard Hegre (2004) En globalisert verden – økt kaos eller varig fred? [A Globalized World – Increased Chaos or Lasting Peace?], in Åpen verden. Et forsvar for globaliseringen. Oslo: (250–263).
Gleditsch, Nils Petter & Håvard Hegre (2004) Fred og demokrati [Peace and Democracy], in Demokrati – vilkår og virkninger. Oslo & Bergen: (293–322).
Gleditsch, Nils Petter (2004) Peace Research and International Relations in Scandinavia: From Enduring Rivalry to Stable Peace?, in Copenhagen Peace Research: Conceptual Innovation and Contemporary Security Analysis. Essays in Honour of Håkan Wiberg. London: (15–26).
Gleditsch, Nils Petter (2004) Mot et utvidet sikkerhetsbegrep [Towards an Extended Concept of Security], in Normer og Makt. .
Gissinger, Ranveig; Håvard Hegre & Nils Petter Gleditsch (2003) Globalization and Internal Conflict, in Globalization and Conflict. Lanham, MD: (251–275).
Schneider, Gerald; Nils Petter Gleditsch & Katherine Barbieri (2003) Does Globalization Contribute to Peace? A Critical Survey of the Literature, in Globalization and Armed Conflict. Lanham, MD: (3–30).
Barbieri, Katherine; Nils Petter Gleditsch & Gerald Schneider (2003) Preface, in Globalization and Armed Conflict. Lanham, MD: (1–2).
Gleditsch, Nils Petter (2003) Environmental Conflict: Neomalthusians vs. Cornucopians, in Security and the Environment in the Mediterranean: Conceptualising Security and Environmental Conflicts. Berlin: (477–485).
Gleditsch, Nils Petter & Bjørn Otto Sverdrup (2002) Democracy and the Environment, in Human Security and the Environment. Cheltenham: (45–70).
de Soysa, Indra & Nils Petter Gleditsch (2002) The Liberal Globalist Case, in Global Governance in the 21st Century: Alternative Perspectives on World Order. Stockholm: (26–73).
Gleditsch, Nils Petter (2002) Peace Research and International Relations in Scandinavia: From Enduring Rivalry to Stable Peace?, in Copenhagen Peace Research: Conceptual Innovation and Contemporary Security Analysis. Essays in Honour of Håkan Wiberg. Copenhagen: (1–13).
Cappelen, Ådne; Olav Bjerkholt & Nils Petter Gleditsch (2002) Military Spending and Economic Growth in the OECD Countries, in The Economics of Defence. Cambridge: (460–472).
Gleditsch, Nils Petter & Paul F. Diehl (2001) Controversies and Questions, in Environmental Conflict. Boulder, CO: (1–9).
Gates, Scott; Nils Petter Gleditsch & Håvard Hegre (2001) Democracy and Civil Conflict After the Cold War, in Perspectives on Democratic Consolidation in Central and Eastern Europe. New York: (185–194).
Gleditsch, Nils Petter (2001) Environmental Change, Security, and Conflict, in Turbulent Peace: the Challenges of Managing International Conflict. Washington, DC: (53–68).
Gleditsch, Nils Petter (2001) Mot et utvidet sikkerhetsbegrep?, in Normer og makt: Innføring i internasjonal politikk. Oslo: (95–114).
Gleditsch, Nils Petter (2001) Armed Conflict and the Environment: A Critique of the Literature, in Environmental Conflict. Boulder, CO: (251–272).
Gleditsch, Nils Petter (2001) Resource and Environmental Conflict: The State-of-the-Art, in Responding to Environmental Conflicts: Implications for Theory and Practice. Dordrecht: (53–66).
Gleditsch, Nils Petter (2001) Opening Remarks, in The Multilateral System in the Field of Development. Proceedings from the 2nd MULTI-Conference, Vettre 18–19 January. Oslo: (11–13).
Gleditsch, Nils Petter (2001) Disseminating Results, in The Multilateral System in the Field of Development. Proceedings from the 2nd MULTI-Conference, Vettre 18–19 January. Oslo: (243–250).
Gleditsch, Nils Petter (2000) Armed Conflict and the Environment, in Environmental Conflict. Boulder, CO: (251–272).
Gleditsch, Nils Petter (1999) Democracy and Peace, in Encyclopedia of Violence, Peace, and Conflict, 2. New York: (643–652).
Gleditsch, Nils Petter (1999) Freedom of Expression, Freedom of Information, and National Security: The Case of Norway, in Secrecy and Liberty. Haag: (361–388).
Gleditsch, Nils Petter (1999) Environmental Conflict: Symptoms and Causes, in Environmental Conflict and Preventive Action: Report from a Seminar at Lysebu, 23-24 November 1998. Oslo: (6–12).
Gleditsch, Nils Petter (1998) Fred og demokrati [Peace and Democracy], in Demokrati – vilkår og virkninger. Oslo & Bergen: (297–314).
Gleditsch, Nils Petter (1997) Environmental Conflict and the Democratic Peace, in Conflict and the Environment. Dordrecht: (91–106).
Gleditsch, Nils Petter (1997) Democracy and Armed Conflict in the Third World, in Causes of Conflict in the Third World. Oslo: (69–81).
Bjerkholt, Olav; Nils Petter Gleditsch & Ådne Cappelen (1996) The Peace Dividend in Norway: Domestic or International?, in The Peace Dividend. Contributions to Economic Analysis, 235. Amsterdam: (275–303).
Gleditsch, Nils Petter (1995) Freedom of Information and National Security: A Comparative Perspective, in Research in Law and Policy Studies, 4. Greenwich, CT & London: (25–43).
Enckell, Pehr; Nils Petter Gleditsch & Jørgen Burchardt (1994) Forord, in Det vitenskapelige tidsskrift. Rapport fra en konferanse for vitenskapelige tidsskrifter. TemaNord 1994:574. København: .
Gleditsch, Nils Petter (1994) Conversion and the Environment, in Green Security or Militarized Environment?. Aldershot & Brookfield, VT: (131–154).
Gleditsch, Nils Petter (1994) Den nordiske tidsskriftflora, in Rapport fra en konferanse for vitenskapelige tidsskrifter. TemaNord 1994:574. København: .
Gleditsch, Nils Petter (1993) Democracy and Peace: Good News for Human Rights Advocates, in Broadening the Frontiers of Human Rights: Essays in Honour of Asbjørn Eide. Oslo & Oxford: (283–306).
Gleditsch, Nils Petter & Nils Ivar Agøy (1993) Norway: Toward Full Freedom of Choice?, in The New Conscientious Objection: from Sacred to Secular Resistance. New York & Oxford: (114–126).
Gleditsch, Nils Petter; Olav Bjerkholt & Ådne Cappelen (1992) Guns, Butter and Growth: The Case of Norway, in Defense, Welfare and Growth. New York: (61–80).
Gleditsch, Nils Petter (1992) Conversion and the Environment: An Overview, in in Conversion and the Environment. Proceedings of a Seminar in Perm, Russia, 24–27 November 1991. Oslo: (23–44).

Edited Volume

Gleditsch, Nils Petter (ed.) (2017) R.J. Rummel: An Assessment of His Many Contributions. Cham: Springer. SpringerBriefs on Pioneers in Science and Practice.
Schneider, Gerald; & Nils Petter Gleditsch, eds, (2013) Assessing the Capitalist Peace. London: Routledge.
Schneider, Gerald; Katherine Barbieri; & Nils Petter Gleditsch, eds, (2003) Globalization and Armed Conflict. Lanham, MD.
Diehl, Paul F.; & Nils Petter Gleditsch, eds, (2001) Environmental Conflict. Oxford.
Mouhleb, Naima; Göran Lindgren; & Nils Petter Gleditsch, eds, (2000) Making Peace Pay. A Bibliography on Disarmament & Conversion. Claremont, CA: Regina Books. The new war/peace bibliography series.
Gleditsch, Nils Petter (ed.) (1997) Conflict and the Environment. Dordrecht: Springer.
Gleditsch, Nils Petter; Olav Bjerkholt; Ron P. Smith; Ådne Cappelen; & J. Paul Dunne, eds, (1996) The Peace Dividend. Amsterdam.
Njølstad, Olav; & Nils Petter Gleditsch, eds, (1990) Arms Races. Technological and Political Dynamics. London.

Non-refereed Journal Article

Urdal, Henrik; Gudrun Østby & Nils Petter Gleditsch (2014) Journal of Peace Research, Peace Review 26(4): 500–504.
Gleditsch, Nils Petter (2012) Open Access in International Relations: A Symposium, International Studies Perspectives 13(3): 211–215.
Schneider, Gerald; Nils Petter Gleditsch & Sabine C. Carey (2011) Forecasting in International Relations: One Quest, Three Approaches, Conflict Management and Peace Science 28(1): 5–14.
Urdal, Henrik & Nils Petter Gleditsch (2010) Grønn fred? Nobelkomiteens miljøpriser [Green Peace? The Environmental Prizes of the Nobel Committee], Internasjonal Politikk 68(4): 617–627.
Schneider, Gerald & Nils Petter Gleditsch (2010) The Capitalist Peace: The Origins and Prospects of a Liberal Idea, International Interactions 36(2): 107–114.
Schneider, Gerald; Nils Petter Gleditsch & Sabine C. Carey (2010) Exploring the Past, Anticipating the Future: A Symposium, International Studies Review 12(1): 1–7.
Gleditsch, Nils Petter & Henrik Urdal (2009) Svar til Neumann [Reply to Neumann], Internasjonal Politikk 67(2): 309–.
Gleditsch, Nils Petter (2008) The Liberal Moment Fifteen Years On, International Studies Quarterly 52(4): 691–712.
Gleditsch, Nils Petter & Henrik Urdal (2008) Om topptidsskrifter i internasjonal politikk [On Top Journals in International Relations], Internasjonal Politikk 66(4): 699–702.
Gleditsch, Nils Petter (2007) Incentives to Publish, European Political Science 6(2): 185–191.
Gleditsch, Nils Petter (2007) 'Changements environnementaux, sécurité et conflits', Les Cahiers de la Securité 63(4): 121–156.
Gleditsch, Nils Petter; Mirjam E. Sørli & Håvard Strand (2005) Hva er det med Midtøsten? [What is it about the Middle East], Babylon 3(2): 10–15.
Gleditsch, Nils Petter (2005) Enda høyere? [Even Higher?], Forskningspolitikk 28(2): 21–.
Gleditsch, Nils Petter (2002) Borgerkrig - vår tids landeplage?, Økonomisk Forum 56(1): 4–7.
Gleditsch, Nils Petter (2002) Double-Blind but More Transparent, Journal of Peace Research 39(3): 259–262.
Gleditsch, Nils Petter (1998) Preface, Journal of Peace Research 35(1): 5–6.
Gleditsch, Nils Petter (1996) The APSR Hall of Fame: A Comment, PS: Political Science and Politics 29(4): 637–638.
Gleditsch, Nils Petter (1995) The Treholt Case - a Review of the Literature, Intelligence and National Security 10(3): 529–538.
Gleditsch, Nils Petter (1993) Gründerens rolle, Forskningspolitikk 16(2): 10–11.

Popular Article

Gleditsch, Nils Petter (2016) Demokratisk intervensjon? [Democratic Intervention?], Dagens Næringsliv.
Gleditsch, Nils Petter (2016) Myter om krig og fred [Myths about War and Peace], forskning.no.
Gleditsch, Nils Petter (2016) Krigens redsler – lys i enden av tunnelen? [The Horrors of War – Light at the End of the Tunnel?], Aftenposten.
Gleditsch, Nils Petter & Ida Rudolfsen (2016) Are Muslim Countries More Violent?, Washington Post - Monkey Cage.
Gleditsch, Nils Petter & Ida Rudolfsen (2015) Brannen i islams hus [The Fire in the House of Islam], Aftenposten innsikt.
Gleditsch, Nils Petter (2010) Klima og politisk uro [Climate and Political Unrest], Aftenposten, 21 July.
Gleditsch, Nils Petter (2009) Mappene våre [Our Files], Rettferd Og Politikk. Festskrift Til Hilde Bojer, 18 December.
Gleditsch, Nils Petter (2009) Krenkende kritikk [Injurious Criticism], Dagbladet, 27 November.
Gleditsch, Nils Petter (2009) Fra opprørere til statsstøtter? [From Rebels to Pillars of the State?], Dagbladet, 20 November.
Gleditsch, Nils Petter (2008) Til fest [The Festchrift], Forskningspolitikk, 16 December.
Gleditsch, Nils Petter; & Holtsmark, Bjart (2008) På stadig tynnere is [On Ever Thinner Ice], Aftenposten, 2 November.
Gleditsch, Nils Petter (2008) Doktorgraden [The Doctoral Degree], Forskningspolitikk, 20 October.
Gleditsch, Nils Petter (2008) Forskerne mangler dokumentasjon [The Scholars Lack Documentation], Aftenposten, 2 October.
Gleditsch, Nils Petter (2008) Hva hviler de på? [On What Do They Rest?], Aftenposten, 18 September.
Gleditsch, Nils Petter (2008) Klima, klima, klima [Climate, Climate, Climate], Forskningspolitikk, 16 June.
Gleditsch, Nils Petter (2008) Erich Weedes regel [Erich Weede's Rule], Forskningspolitikk, 2008.
Gleditsch, Nils Petter (2008) Klimandringer og sikkerhet, FN-magasinet, February.
Gleditsch, Nils Petter (2006) Slett ingen fred i verden [A Peaceful World?], Aftenposten, 26 October.
Gleditsch, Nils Petter & Henrik Urdal (2004) Roots of Conflict: Don't Blame Environmental Decay for the Next War, The New York Times, December.
Gleditsch, Nils Petter (2004) Kritikeren som ikke forsvant, Stavanger Aftenblad, 27 November.
Urdal, Henrik & Nils Petter Gleditsch (2004) Roots of Conflict: Don't Blame Environmental Decay for the Next War, International Herald Tribune, 22 November.
Gleditsch, Nils Petter & Henrik Urdal (2004) Fredspris for treplanting? [Peace Prize for Tree Planting?], Aftenposten, 17 October.
Gleditsch, Nils Petter & Henrik Urdal (2004) Fredpris for treplanting? [Peace Prize for Planting Trees?], Aftenposten, December.
Gleditsch, Nils Petter (2003) Mappa Mi [My File], Dagbladet, 20 December.

PRIO Report

Gleditsch, Nils Petter (1999) To Cultivate Peace - Agriculture in a World of Conflict, PRIO Report, 1. Oslo: PRIO.

Conference Paper

Gleditsch, Nils Petter (2016) Islamic Conflicts – A Threat to the Waning of War?, presented at 57th Annual Convention of the International Studies Association, Atlanta, 17.03.16.
Rolseth, Amund; Ole Magnus Theisen & Nils Petter Gleditsch (2015) Violence against civilians 1900-87: Regime type, climate change and the severity of democide, presented at 56th Annual Convention of the International Studies Association, New Orleans, 18–21 February 2015.
Gleditsch, Nils Petter (2013) Climate, Geography, and Civil Conflict, presented at 54th Annual Convention of the International Studies Association, San Francisco, 03.04.13 – 06.04.13.
Gleditsch, Nils Petter (2013) Climate, Geography, and Civil Conflict, presented at PSS-ISA Joint International Conference, Budapest, 27.06.13 – 29.06.13.
Gleditsch, Nils Petter (2013) Climate, Geography, and Civil Conflict, presented at Jan Tinbergen European Peace Science Conference, Milan, 24.06.13 – 26.06.13.
Gleditsch, Nils Petter (2013) The Future of War and Conflict, presented at Panel contribution at the conference on Conflict Management and Global Governance in an Age of Awakening, Waterloo, 24.01.13 – 25.01.13.
Buhaug, Halvard;Falch, Åshild; & Gleditsch, Nils Petter 2010 The Bottom Billion and Climate Change, presented at International Studies Association Annual Convention, , 17–20 February.
Gleditsch, Nils Petter 2009 Updating the Battle Deaths Dataset, presented at XXVI International Population Conference, , 27 September.
Nordås, Ragnhild; & Gleditsch, Nils Petter 2009IPCC and the Climate-Conflict Nexus , presented at 50th Annual Convention of the International Studies Association15 February.
Gleditsch, Nils Petter & Ole Magnus Theisen (2008) Climate Change, the Environment, and Armed Conflict, presented at American Political Science Association, Boston, MA, 28–31 August.
Gleditsch, Nils Petter; & Theisen, Ole Magnus 2008 Climate Change, the Environment, and Armed Conflict, presented at International Studies Association, , 26–29 March.
Rustad, Siri Aas;Rød, Jan Ketil;Larsen, Wenche; & Gleditsch, Nils Petter 2007 Foilage and Fighting: Forest resources and the onset, duration and location of civil war , presented at Polarization and Conflict Workshop, , December.
Gleditsch, Nils Petter (2007) The Decline of War – Will it Continue?, presented at the 48th Annual Metting of the International Studies Association, Chicago, IL, 28 February–3 March.
Hegre, Håvard; Nils Petter Gleditsch & Håvard Strand (2007) Democracy and Civil War, presented at Statsvitenskaplig Fagkonferanse, Trondheim, 3–5 January.
Gleditsch, Nils Petter; Lene Siljeholm Christiansen & Håvard Hegre (2007) Democratic Jihad? Military Intervention and Democracy, presented at Post-Conflict Transitions Conference, World Bank, Washington, DC, 30 April–1 May.
Binningsbø, Helga Malmin; Indra de Soysa & Nils Petter Gleditsch (2006) Green Giant, or Straw Man? Environmental Pressure and Civil Conflict, 1961–99, presented at the 47th Annual Convention of the International Studies Association (ISA), San Diego, 22–25 March.
Nordås, Ragnhild; & Gleditsch, Nils Petter 2005Climate Change and Conflict: Common Sense or Nonsense 8–10 September.
Nordås, Ragnhild; & Gleditsch, Nils Petter 2005Climate Change and Conflict: Common Sense or Nonsense? 22–23 June.
Russett, Bruce M.; Nils Petter Gleditsch & Bethany Ann Lacina (2005) The Declining Risk of Death in Battle, presented at the 46th Annual Convention of the International Studies Association, Honolulu, HI, 1–5 March.
de Soysa, Indra; Nils Petter Gleditsch & Helga Malmin Binningsbø (2005) Green Giant or Straw Man? Environmental Pressure and Civil Conflict 1961–99, presented at 101st Annual Meeting of the American Political Science Association and the Third General Conference of the European Consortium for Political Research, Budapest, 8–10 September.
Russett, Bruce M.; Nils Petter Gleditsch & Bethany Ann Lacina (2005) The Declining Risk of Death in Battle, presented at The Third General Conference of the European Consortium for Political Research, Budapest, 8–10 September.
Christiansen, Lene Siljeholm; Nils Petter Gleditsch & Håvard Hegre (2004) Democratic Jihad? Military Intervention and Democratic, presented at Workshop on 'Democratic Institutions and Processes and Civil War', Bellagio, Italy, 7–9 June.
Gleditsch, Nils Petter (2004) The Death of Distance? The Globalization of Armed Conflict, presented at a conference on Globalization, Territoriality, and Conflict, La Jolla, 16–18 January.
Owen, Taylor; Kathryn Furlong; Bethany Ann Lacina & Nils Petter Gleditsch (2004) Conflicts over Shared Rivers: Resource Wars or Fuzzy Boundaries?, presented at 45th Annual Convention of the International Studies Association, Montreal, 17–20 March.
Hegre, Håvard; Nils Petter Gleditsch & Lene Siljeholm Christiansen (2004) Democratic Jihad? Military Intervention and Democracy, presented at Joint Sessions of Workshops, Uppsala, 13–18 April.
Owen, Taylor; Nils Petter Gleditsch; Kathryn Furlong & Bethany Ann Lacina (2004) Conflicts over Shared Rivers: Resource Wars or Fuzzy Boundaries?, presented at 45th Annual Convention of the International Studies Association, Montreal, 17–20 March.
Hegre, Håvard; Lene Siljeholm Christiansen & Nils Petter Gleditsch (2004) Democratic Jihad? Military Intervention and Democracy, presented at 45th Annual Convention of the International Studies Association, Montreal, 17–20 March.
Lujala, Päivi; Nils Petter Gleditsch & Elisabeth Gilmore (2003) A Diamond Curse? Civil War and a Lootable Resource, presented at Workshop on Natural Resources and War, Montreal, 14 September.
Gleditsch, Nils Petter & Kathryn Furlong (2003) Geographic Opportunity and Neomalthusian Willingness: Shared Rivers, Boundary Length, and Conflict, presented at 44th Annual Convention of the International Studies Association (ISA), Portland, OR, 1 March.
Rød, Jan Ketil & Nils Petter Gleditsch (2002) Kartografisk visualisering av konflikter, presented at Kartdagene, Oslo, 13–15 March.
Gleditsch, Nils Petter (2001) The Liberal Globalist Case, presented at Conference at the University of Gothenburg, Gothenburg, 1 January.
Gleditsch, Nils Petter (2001) Shared Rivers, Conflict, and Cooperation, presented at the Fourth Pan-European International Relations Conference, University of Kent, Canterbury, 1 January.
Gleditsch, Nils Petter (2001) Armed Conflict and Human Security, presented at the workshop on the Human Security Report, Program on Humanitarian Policy and Conflict Research, Harvard University, 1 January.
Gleditsch, Nils Petter (2001) Statement at the session ‘Conflict Risks and Risk Management’, presented at Greenland in the Security Context, Nuuk at Katuaq, 21–22 March.
Gleditsch, Nils Petter (2001) Armed Conflict 1946–99: A New Dataset, presented at the Conference on ‘Identifying Wars: Systematic Conflict Research and Its Utility in Conflict Resolution and Prevention’, Uppsala, 1 January.
Gleditsch, Nils Petter & Håvard Hegre (2001) Political Institutions, Globalization, and Conflict, presented at the World Bank Conference on The Economics and Politics of Civil War: Launching the Case-Study Project, Soria Moria Conference Center, Oslo, 11 June.

PRIO Policy Brief

Gleditsch, Nils Petter & Ida Rudolfsen (2015) Are Muslim Countries More War-Prone?, Conflict Trends, 3. Oslo: PRIO.

Report - Other

Buhaug, Halvard; Nils Petter Gleditsch; & Ole Magnus Theisen (2008) Implications of Climate Change for Armed Conflict, Social Dimensions of Climate Change Workshop. Washington, DC.
Gleditsch, Nils Petter; Håvard Hegre; & Scott Gates (2004) Towards a Global Civil Peace, background note to the United Nations Foundation. .
Narud, Hanne Marthe; Alf Håkon Hoel; Audun Offerdal; Ann-Helen Bay; Ståle Ulriksen; Eli Feiring; Anders Todal Jensen; Per Selle; Nils Petter Gleditsch; & Hilmar Rommetvedt (2004) Fagplan for norsk statsvitenskap [National Plan for Political Science]Oslo: Norges Forskningsråd.
Gleditsch, Nils Petter (2002) The Future of Armed ConflictRamat Gan, Israel.
Cappelen, Ådne; Olav Bjerkholt; Nils Petter Gleditsch; J. Paul Dunne; & Ron P. Smith (1996) The Peace Dividend. Contributions to Economic Analysis, 235Amsterdam.

Report - External Series

Gleditsch, Nils Petter; Lene Siljeholm Christiansen; & Håvard Hegre (2007) Democratic Jihad? Military Intervention and Democracy, World Bank Policy Research Working Paper, 4242. .
Salehyan, Idean; Ragnhild Nordås; & Nils Petter Gleditsch (2007) Climate Change and Conflict: The Migration Link, Coping with Crisis Working Paper Series. New York: International Peace Academy.

Book Review

Gleditsch, Nils Petter (2016) Review of Harrison, Ewan; & Sara ​McLaughlin Mitchell, eds, The Triumph of Democracy and the Eclipse of the West, in Journal of Peace Research .
Gleditsch, Nils Petter (2016) Review of Piki Ish-Shalom, ed., Democratic Peace: A Political Biography, in Journal of Peace Research .
Gleditsch, Nils Petter (2013) Review of Arthur H. Westing, ed., Arthur H. Westing: Pioneer on the Environmental Impact of War, in Journal of Peace Research 50(2): 264–264.
Gleditsch, Nils Petter (2013) Review of Lawrence S. Wittner, ed., Working for Peace and Justice: Memoirs of an Activist Intellectual, in Journal of Peace Research 50(1): 142–142.
Gleditsch, Nils Petter (2013) Review of Review of Daron Acemoglu and James A. Robinson , ed., Why Nations Fail: The Origins of Power, Prosperity, and Poverty, in Journal of Peace Research 50(6): 761–761.
Gleditsch, Nils Petter (2013) Review of Human Security Report 2012, in Journal of Peace Research 50(2): 261–261.
Gleditsch, Nils Petter (2013) Review of Review of Jared Diamond, ed., The World Until Yesterday: What Can We Learn from Traditional Societies?, in Journal of Peace Research 50(4): 534–534.
Gleditsch, Nils Petter (2013) Review of Review of Paul Preston, ed., The Spanish Holocaust: Inquisition and Extermination in Twentieth-Century Spain, in Journal of Peace Research 50(4): 537–537.
Gleditsch, Nils Petter (2013) Review of Review of Jeff D. Colgan, ed., Petro-Aggression: When Oil Causes War, in Journal of Peace Research 50(6): 770–770.

Blog Posts

The East Asian Peace – Two New Books

Posted by Nils Petter Gleditsch on Friday, 12 May 2017

Two books were launched earlier this week from the East Asian Peace (EAP) program at Uppsala University, led by Stein Tønnesson of PRIO and Uppsala University. One is a monograph by the program director, Stein Tønnesson, Explaining the East Asian Peace, the other a volume edited by Elin Bjarnegård & Joakim Kreutz, Debating the East Asian Peace. The EAP is a very impressive program. The two books take on a key issue in the debate about the decline of war, the disproportionate reduction in conflict in East Asia. They provide a large range of different explanations for the East Asian Peace. ...

A Tourist in Search of the Real Cuba

Posted by Nils Petter Gleditsch on Tuesday, 7 March 2017

After traveling in Cuba for two weeks, I sit down to reflect: What is Cuba? A socialist laboratory for Che Guevara’s ‘New Man’? A vast outdoor museum of Spanish colonial architecture? An extraordinary collection of sixty-year old American gas-guzzling automobiles? A zoo for humans (excellent health care, low infant mortality, high life expectancy, cheap housing, adequate nourishment, and low personal freedom)? A land freed from the yoke of North American economic and political imperialism, or a bankrupt country subsidized successively by the Soviet Union, Venezuela, and Cuban emigrants? A tourist paradise with endless white beaches and all-inclusive hotels? A pawn ...

Replication in International Relations

Posted by Nicole Janz & Nils Petter Gleditsch on Thursday, 23 February 2017

The integrity of science is threatened in many ways – by direct censorship; by commercial, political, or military secrecy; by various forms of publication bias; by exorbitant journal subscription fees that effectively deny access to the general public; by cheating and falsification of results; and by sloppiness in the research process or the editorial process prior to publication. There isn’t a single antidote to all these problems, but transparency goes a long way in relation to many of them. One important way to promote transparency and quality control in published research is to require that systematic data be made available ...

Democratic Intervention?

Posted by Nils Petter Gleditsch on Tuesday, 15 November 2016

Donald Trump has made statements sceptical of military interventions in the Middle East. This is perhaps a rare piece of good news. Military intervention as a means of building democracy has once again become a hot topic. The Norwegian government has been criticized due to the consequences of the intervention in Libya. Hillary Clinton has been branded a hawk because she is seen as more willing to use military force than Obama. Some supporters of Bernie Sanders seemed to prefer Trump to Clinton, in the hope that Trump would be less interventionist. Democracies rarely if ever go to war with ...

Myths About War and Violence

Posted by Nils Petter Gleditsch on Monday, 14 November 2016

‘Calculations made by a former president of the Norwegian Academy of Science and Letters, with the assistance of historians from a number of countries, show that since 3600 BC, the world has known only 292 years of peace. Since 650 BC, there have been 1,656 arms races. Sixteen of them ended in economic collapse, the rest in war.’ This story, or slight variations of it, has been circulating in the media for well over 60 years. Military periodicals, in both East and West, as well as journals published by the peace movement, have taken this story at face value. This ...

The Victims of War: Light at the End of the Tunnel?

Posted by Nils Petter Gleditsch on Thursday, 10 November 2016

In making the choice between pessimism and optimism, it may be a risky business to lean on everyday news. Let us rather have a look at figures that reveal more long-term tendencies. Steven Pinker’s book The Better Angels of Our Nature, published in 2011, painted an optimistic picture of mankind emerging from its violent past. Since then, however, the trend has gone in the wrong direction. My work on a book in Norwegian on the same topic has been conducted during this reversal. The US election has changed this reversal into fears of a major and dramatic setback, if we ...

Oh my, not another ‘Festschrift’!

Posted by Nils Petter Gleditsch on Friday, 14 August 2015

Eight years ago, I wrote a short piece for a Norwegian science policy journal lampooning the Festschrift as an outmoded form of academic communication. The Festschrift, I can hear some of my non-Scandinavian readers ask: Are such volumes still being published? Surprisingly, the answer is yes. Of course, it is largely a self-financing enterprise. In signing up for the Tabula gratulatoria, friends of the honoree promise to fork out a few hundred kroner for a book they are often unlikely to read. A book filled with articles that are generally not quite important enough to be published in academic journals ...

The Fire in the House of Islam

Posted by Nils Petter Gleditsch on Friday, 20 March 2015

Generally speaking, the global map of conflict is increasingly shaped by armed conflicts involving Muslims on one side or the other, or on both. Are Muslim countries particularly belligerent? Is the religion to blame? Despite the numerous items of bad news delivered by the mass media on a daily basis, a global overview of armed conflict shows several positive trends. During most of the Cold War, there was an increase in the number of ongoing armed conflicts worldwide, but the number decreased sharply after the fall of the Berlin Wall. This trend is even stronger if we restrict our survey ...

Fifty Years Since the Selma March

Posted by Nils Petter Gleditsch on Sunday, 8 March 2015

Yesterday, at the Edmund Pettus Bridge, President Obama and over 100 members of the US Congress celebrated the 50th anniversary of the historic civil rights march in Selma, a turning-point in the non-violent civil rights movement. President Obama was introduced by John Lewis, who with Hosea Williams and others led the march fifty years ago and was severely beaten by the Alabama police. For Barack Obama’s speech at the Edmund Pettus Bridge, yesterday – 7 March 2015, please follow this link. For John Lewis’s PRIO Annual Peace Address 2011, please follow this link. For PRIO’s current project on nonviolent resistance, ...

More on the Waning of War

Posted by Nils Petter Gleditsch on Tuesday, 27 January 2015

On 22 December I reported in this blog on an article by political science professor Øyvind Østerud 18 December in the leading Norwegian newspaper Aftenposten that attacked Steven Pinker and ‘large parts of peace research’ for using ‘relative numbers’, i.e. numbers weighted by population, to assess long-term trends in the severity of war. In my brief response to Østerud, published in the print version of Aftenposten on 28 December, I pointed out that both absolute and relative numbers of battle-related deaths have declined after World War II. I also argued that although criticizing established truths is an important part of the ...

Surveillance Under Control?1/a>

Posted by Nils Petter Gleditsch on Wednesday, 21 January 2015

We cannot make do without surveillance, and even political actors must expect to be kept under observation if they espouse extreme positions. But we must keep surveillance under control. This article tells the story of the information about me that had lain in the files of the police security service and to which I gained access in 2001. It also records some reflections that have emerged in my mind about ways to improve legal protection for people who come to the attention of the state security services.2 As one author summed up the new women’s movement of the 1970s, ‘What ...

Poor Research or What?

Posted by Nils Petter Gleditsch on Monday, 22 December 2014

A Norwegian political scientist published an article in the Norwegian daily Aftenposten on 17 December where he criticized the ‘waning-of-war’ argument promoted by, among others, Steven Pinker and ‘major parts of peace research’. Curiously, the article was published in the paper’s column for ‘dårlig forskning, flau formidling, kunnskapsløse politiske forslag og ren fusk’ (‘incompetent research, poor popularization, political proposals without a knowledge base, and sheer fraud’). The article does not explain which of these mortal sins were committed by Steven Pinker and the peace research crowd. Be that as it may, below follows my reply to the article. A shorter ...

Climate Change and War

Posted by Nils Petter Gleditsch on Thursday, 17 April 2014

The day after the publication of the latest report from the UN’s Intergovernmental Panel on Climate Change (IPCC) on the effects of climate change, Norwegian daily newspaper Dagsavisen was able to report that Norway’s Minister for Climate and Environment now envisaged a future world with more conflicts. This is in line with claims made earlier by the Norwegian Nobel Committee. Against this background, I embarked with some anticipation on the report’s 2,679 pages. I found that each of the four chapters that address this question gives a slightly different answer. The question is discussed most thoroughly in the chapter on ...

The Role of Non-violence in the Struggle for Liberation

Posted by Nils Petter Gleditsch on Wednesday, 28 September 2011

US Congressman John Lewis gave the PRIO Annual Peace Address 2011. Lewis has been a Member of the US House of Representatives for the Fifth congressional district in Georgia since 1987. He was a prominent leader in the nonviolent civil rights movement in the early 1960s and President Obama has recognized his role as a source of inspiration. In February 2011 John Lewis was awarded the Presidential Medal of Freedom, the highest US public award for civilian service. See also the 2015 marking of the 50th anniversary of the historic civil rights march in Selma.  Below is a transcript of John ...

Roots of conflict : Don't blame environmental decay for the next war

Posted by Nils Petter Gleditsch & Henrik Urdal on Monday, 22 November 2004

When Wangari Maathai, a Kenyan known for her work in human rights and environmental conservation, including efforts to fight deforestation, won the Nobel Peace Prize last month, many took note that the Nobel Committee had evidently expanded its notion of “peace.” “Peace on earth depends on our ability to secure our living environment,” it proclaimed, seeming to embrace an extended concept of peace as “human security.” More probably, the committee intended to highlight scarcity of renewable natural resources as an important cause of war. Their statement, it is true, didn’t deal with that issue directly, but Maathai herself said that ...

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