Transition Security Project

Patrick Bigger

Patrick Bigger is a leading scholar of the intersections between war and the climate crisis. He is also Research Director at Climate and Community Institute (CCI) where he heads their research department. Patrick was previously a Lecturer in Economic Geography at Lancaster University and holds a PhD from the University of Kentucky. He has written widely in academic journals and popular outlets. His work has been translated into more than a dozen languages and covered globally.

pbigger@climateandcommunity.org

Two Transitions

A series of essays on geopolitics, the climate crisis and collective safety in a multipolar world.

Khem Rogaly, Patrick Bigger, Lorah Steichen

Published October 28, 2025

Transition Security

What are the consequences of militarisation for a warming world? How will Transition Security Project respond to this moment?

Khem Rogaly, Patrick Bigger, Lorah Steichen

Published October 16, 2025

The Climate Crisis and the US War Machine

The Pentagon is the world's largest institutional consumer of fossil fuels.

Patrick Bigger, Adrien Salazar, Zainab Koli, Lorah Steichen

Published February 11, 2025

Redirecting Energy Transition Minerals from the Pentagon Fleet to the Public Good

The Pentagon fleet demands a vast amount of energy transition minerals.

Lorah Steichen, Mekedas Belayneh, Matthew Haugen, Patrick Bigger, Lucy Block

Published February 19, 2025

Less War, Less Warming: A Reparative Approach to US and UK Military Ecological Damages

Report by Patrick Bigger, Nick Pearce, Khem Rogaly, Ketaki Zodgekar

Published November 6, 2023