Resilient Defence: Climate-Smart Investments on the Road to 5% is the fifth edition of the Montréal Climate Security Summit, focused on defence resilience, climate adaptation, and strategic investment.

Going without notice until they are not there, batteries are increasingly critical to Defence, but a steady supply is far from assured.

China’s carbon dioxide (CO2) emissions fell by 1% in the second quarter of 2026, as oil consumption plummeted amid the strait of Hormuz crisis.

One of the country’s and arguably the world’s largest consumers of fuel, land, infrastructure and industrial production remains almost entirely outside climate scrutiny: the defence establishment.

The Pentagon is preparing to wage war in a warmer world, even as it accelerates it

Military and wartime emissions are difficult to track—but too important to ignore.

Some militaries have strategies to reduce their carbon emissions – but the latest data shows these are being dwarfed by the effects of spiralling arms spending. Stuart Parkinson investigates.

Upgrading NATO’s fuel pipelines would be the most expensive project in the alliance’s history and is splitting member countries.

Sumar, ERC, Bildu, Podemos and BNG demand Defense data on military emissions and a binding international standard to declare and reduce them.

Fuel had already been rationed due to shortages caused by Kyiv's attacks against supply routes in Russian-occupied territories.

From the Yom Kippur war to Russia’s attack on Ukraine, history shows that major events in the oil and gas markets can drive enduring changes to the global energy mix.

Amidst geopolitically turbulent times, climate action risks being sidelined as governments prioritize defence spending and economic resilience in response to…

Airstrikes on Tehran earlier this year emitted a plume containing almost 30,000 tonnes of sulphur dioxide that reached Asian countries

Wars, spiralling military spending, a global energy crisis? We explain why militaries must be part of a future fossil energy transition.

Wars, spiralling military spending, a global energy crisis? We explain why militaries must be part of a future fossil energy transition.

Wars, spiralling military spending, a global energy crisis? We explain why militaries must be part of a future fossil energy transition.

Carbon Brief has drawn on tracking by IEA and other sources to assess the global policy response to the Iran war.

Military activities are hampering the transition towards renewable energy, with data transparency lacking among major defence spenders.

Exclusive: War in the Middle East is draining the global carbon budget faster than 84 countries combined

Attacks on Tehran's oil facilities have exposed millions to harm, we explore the attacks and unpack their health and environmental risks.

Israel’s self-branding as a pioneer in sustainability obscures how its ‘green development’ is fueling the takeover of Palestinian land and resources — and international corporations are helping to ban...

President Donald Trump signed an order directing the Defense Department to favor electricity derived from coal, expanding his campaign to prop up the fossil fuel.

Exempting military products from the EU’s new Carbon Border Adjustment Mechanism (CBAM) undermines the bloc’s climate and defence policies.

This report analyses how climate change rapidly transforms NATO’s strategic environment. Four case studies are presented: the northwestern parts of Africa, the Arctic, the east flank (Dnipro watershed...

Learn about the alarming environmental cost of war, with militaries as major contributors to global greenhouse gas emissions.

Europe’s defence-industrial expansion coincides with the urgent need to accelerate the energy transition and reduce dependencies on imported fossil fuels and critical raw materials. This paper examine...

In the 2026 National Defence Strategy (NDS), Australia should outline credible objectives to combat climate insecurity. This would help protect Australia’s long-term defence capabilities, support regi...

Back In 2020, The NHS Became The First National Health System To Commit To Becoming Carbon Net Zero. Emma Wills Considers What Has Been Achieved So Far And What Needs To Happen To Meet The Goal.

Conservative leader Kemi Badenoch says defence

jobs.ac.uk are now advertising a PhD Studentship in War and Climate Change. Discover exciting PhD opportunities on jobs.ac.uk.

Ukraine plans to seek nearly $44 billion in climate damages from Russia for emissions caused by the ongoing war.

Denmark announces incredibly ambitious climate targets at this year’s COP30

This report investigates the problem of the underreporting of military greenhouse gas emissions. Using data from the United Nations and national government reports, it highlights systematic problems w...

Countries are working on a “Mutirão” decision that will be at the heart of a Belém political package to drive forward multilateral climate action