The environmental impact of Russia’s invasion goes beyond Ukraine – how do we deal with ‘problems without passports’?
- Written by Robert G. Patman, Professor of International Relations, University of Otago

Russia’s invasion of Ukraine appears to be a defining moment in the evolution of the post-Cold War world. In particular, it is highlighting problems that do not respect borders, such as the environmental damage caused by war. These are raising important questions about international security.
Can a...