The world’s militaries are incredibly polluting, collectively accounting for some 5.5% of global emissions. Western economies are now gearing up for a big expansion of their militaries, with members of the North Atlantic Treaty Organization (NATO) agreeing to increase defense spending to 5% of their gross domestic product by 2035. That will commit trillions of dollars more to an enormously carbon intensive industry, unless militaries can find a way to reduce their emissions. This week on Zero, Akshat Rathi asks retired Lieutenant General Richard Nugee, author of the UK Ministry of Defence’s climate change report: Can warfare go green?

Explore further:

• Defense Budgets Need to Fight War and Climate Change, Experts Say
• Richard Nugee’s Climate Report
• Estimating the Military’s Global Greenhouse Gas Emissions 

Zero is a production of Bloomberg Green. Our producer is Oscar Boyd. Special thanks to: Jessica  Beck, Eleanor Harrison-Dengate, Sommer Saadi, Mohsis Andam and Siobhan Wagner. Thoughts or suggestions? Email us at zeropod@bloomberg.net. For more coverage of climate change and solutions, visit https://www.bloomberg.com/green.