In the latest report by the Costs of War Project, it is estimated that 1.2 billion metric tons of greenhouse gases have been emitted by the U.S. military since the start of the Global War on Terror in 2001 https://perma.cc/SNZ4-HZUT

How the world’s militaries hide their huge carbon emissions https://perma.cc/PQ7Q-UX9N

NATO aims to cut emissions by 45% by 2030, be carbon neutral by 2050 https://perma.cc/U3XR-P3CH

NATO won’t say how it will count its carbon emissions https://perma.cc/9HQQ-YBD8

Analysis: how NATO should move forward on emissions reporting https://perma.cc/DQ9K-YGH7

The military’s contribution to climate change https://perma.cc/DFZ2-669E

„Air Defender“ 2023: So viel CO2 verursacht das Nato-Manöver voraussichtlich https://perma.cc/V75S-SC2J

See our post about how war and military contribute to climate change downgrade
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https://news.1rj.ru/str/PollutionFacts/980

Climate change is real, and we know what is occurring
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https://news.1rj.ru/str/ElonMuskPollution
https://news.1rj.ru/str/EnergyFactsTelegram
https://news.1rj.ru/str/ClimateChangeScience
https://news.1rj.ru/str/ClimateChangeTelegram

Defence generated over 500 Mt CO2e in 2019, accounting for ~1.1% of total global emissions. These emissions were mainly distributed among air forces (~20–25%), navies (~30–35%), and armies (~30–35%), with a small proportion coming from other military bodies, such as border patrols and coast guards.

Whilst the footprint of air forces and navies is driven by emissions from air and sea platforms respectively, armies’ footprint is dominated by emissions from bases and other stationary assets, whilst a country’s emissions pro le may vary signi cantly depending on whether or not it is actively engaged in a war. From the more than 500 Mt CO2e generated by Armed Forces globally, approximately one third is likely to be sequestered by the vast amount of land owned by the military (2–3% of the world’s total land).

Defence’s share of global emissions is comparable with that of civil aviation and maritime transport. However, military emissions could contribute up to 5% of the global footprint (as referenced in the aforementioned Nature paper), placing Armed Forces footprint over the level of cement production.

~97% of emissions from mobile assets are generated during the operation of military platforms, which are mainly driven by the high number of moderately- emitting active assets—as is the case of the Army’s land vehicles—or by the operation of a lower number of highly-emitting vehicles, such as the air and the sea platforms of the Air Force and the Navy.

The US has the biggest military in the world, and we estimate that the footprint of its stationary assets and platforms’ operations account for ~20% of global Defence emissions—roughly 110 MtCO2e. Meanwhile, we estimate that the UK’s armed forces produce ~5 MtCO2e, which translates to ~1% of global military emissions.

In 2022, the US Air Force introduced the Department’s Climate Action Plan, and at the opening ceremony of last year’s NATO summit announced an organisational cut in emissions for its members of 45% by 2030 and a net-zero target by 2050