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I am a professor and author. I use complexity science to examine threats to global security—especially economic instability, environmental stress, ideological polarization, and mass violence—and how people, organizations, and societies can respond to these threats.

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World Government Summit

February 12th, 2017|Tags: |

This February 2017, Thomas Homer-Dixon spoke at the World Government Summit on "Climate Change and Food Supply."

Canada Must not Give Up the Fight on Climate Change

January 2nd, 2017|Tags: |

Those of us concerned about climate change generally inhabit an old-fashioned reality-based world. Scientific research and evidence drive our concern. Although we wish the climate problem would vanish, that motivation doesn’t override what science tells us.

President Trump Will Make Chaos the New Normal

November 24th, 2016|Tags: |

During the election campaign, Donald Trump made the normalization of abnormality a signature political tactic. The more he violated the conventions of U.S. political life, democratic practice and civil discourse, the more he excited his followers.

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BOOKS

Hope under Threat

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RESEARCH

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The Conceptual Structure of Social Disputes: Cognitive-Affective Maps as a Tool for Conflict Analysis and Resolution

August 6th, 2014|

We describe and illustrate a new method of graphically diagramming disputants’ points of view called cognitive-affective mapping. The products of this method—cognitive-affective maps (CAMs)—represent an individual’s concepts and beliefs about a particular subject, such as another individual or group or an issue in dispute.