Brian Barton
The defense industry is facing mounting pressure to reduce its environmental impact. The US military, for example, has been called out for its vast carbon footprint, with emissions exceeding those of entire industrialized nations. From fuel-guzzling vehicles to toxic substance disposal, the defense sector's negligence has taken a toll on human lives and the planet. With a growing focus on sustainability, defense contractors are now expected to address their carbon emissions and contribute to global climate goals. However, the industry's unique challenges, such as the long lifespans of equipment and the high priority of performance, pose obstacles to rapid decarbonization. As a result, there are concerns that the defense industry's share of global CO2 emissions could rise significantly by 2050 if more aggressive action is not taken.
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What You'll Learn
The US military's carbon footprint
The US military has a vast carbon footprint, and its contribution to heating the planet is largely overlooked. If the US military were a nation, it would be the world's 47th largest emitter of greenhouse gases. It is the world's single largest institutional consumer of hydrocarbons and petroleum, and its emissions exceed those of industrialised nations like Sweden, Denmark, Portugal, and Morocco.
The US military emitted 1,212 million metric tons of greenhouse gases between 2001 and 2018, with only a third of these emissions related to its major zones of operation such as Afghanistan and Iraq. The bulk of fuel is consumed by weapons systems, with fighter jets alone requiring as much as 80% of this fuel. In 2017, the US military purchased 269,230 barrels of oil per day, emitting more than 25,000 kilotonnes of carbon dioxide.
The US military's sprawling network of bases and supply chains also contributes to its carbon footprint. The Department of Defense has 585,000 facilities spread over 27 million acres in 160 countries, and each of these buildings emits greenhouse gases. The Pentagon itself emitted over 24,000 metric tons of carbon dioxide in 2013. The US military's vast infrastructure relies on a global network of cargo planes, trucks, and container ships to supply its operations.
The US military has claimed to implement positive changes to reduce its carbon footprint, such as increasing renewable electric generators on military bases. However, these efforts have been minimal, and the US Navy Task Force Climate Change initiative, which was preparing military bases for rising sea levels and ocean temperatures, was quietly shut down. The US military's exemption from reporting its emissions under the 1997 Kyoto Protocol has also made it difficult to fully understand the extent of its carbon footprint.
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US military negligence and pollution
The US military is one of the world's largest polluters and a significant contributor to climate change. If it were a country, it would be the world's 47th largest emitter of greenhouse gases. The US military is a vast infrastructure that relies on an extensive global network of cargo planes, trucks, and container ships to support its operations. This results in a massive carbon footprint. The US military's emissions are higher than those of Sweden, Morocco, Switzerland, Denmark, and Portugal.
The US military's negligence and disregard for human life have had severe environmental and health consequences. In 2017, the US Naval Air Station Oceana in Norfolk, Virginia, spilled 84,000 gallons of jet fuel into a waterway. In the same year, it was discovered that an Air Force contractor had been dumping industrial solvent Trichloroethylene (TCE) into the ground near Tucson International Airport for 29 years. As a result, over 1,350 residents suffered from cancer and other illnesses, and many filed claims against the Air Force.
The US military has also been criticized for its burning of explosives and munition waste without proper environmental emission control measures, endangering the health of nearby residents. Additionally, the US military has been a top consumer of hydrocarbons and the single largest institutional consumer of petroleum. In 2017, the US Air Force, Navy, Army, and Marines collectively purchased vast amounts of fuel, with the US military buying 269,230 barrels of oil daily and emitting 25,000 kilotonnes of carbon dioxide that year.
The US military's contribution to climate change extends beyond emissions. Its wars and interventions have had devastating environmental, economic, and social impacts on the affected countries. For example, the intervention in Iraq has been detrimental to the country's environment. Furthermore, the US military's nuclear testing and use of depleted uranium have caused air and water poisoning. Despite acknowledging the impact of climate change, the Pentagon's report on the Department of Defense's climate risk failed to address its contributions.
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Defense industry's contribution to CO2 emissions
The US military is a major contributor to global carbon dioxide emissions. If the US military were a country, it would be the world's 47th or 55th largest emitter of CO2. In 2017, the US military emitted 59 million tons of CO2, more than many industrialized nations, including Sweden, Switzerland, Morocco, Peru, Hungary, Finland, New Zealand, and Norway. The US military's total emissions since the invasion of Afghanistan in 2001 are estimated at 1,212 million metric tons of greenhouse gases.
The US military is the largest institutional consumer of hydrocarbons and petroleum in the world. In 2017, the US military purchased 269,230 barrels of oil per day and emitted more than 25,000 kilotonnes of carbon dioxide. The US Air Force, Navy, Army, and Marines also bought large amounts of fuel, with the Air Force purchasing the most at $4.9 billion worth of fuel that year. The US military's fuel usage has a significant impact on the environment, as the burning of jet fuel and diesel is a major contributor to greenhouse gas emissions.
Military equipment is not known for its fuel efficiency, and aircraft are particularly fuel-intensive. In 2018, the Defense Logistics Agency bought 100 million gallons of fuel, 70 million of which were jet fuel. The US military's fleet of 60,000 Humvees gets only four to eight miles per gallon of diesel, and non-armored vehicles also consume large amounts of fuel. The US military's real estate also contributes to its carbon footprint, with the Department of Defense spending $3.5 billion on energy for 560,000 buildings at 500 installations in 2017.
The US military's emissions have a significant impact on the environment and contribute to climate change. However, there is a lack of clear data on the full extent of the military's emissions due to gaps in reporting and the complexity of tracking military emissions. The US military's operations, including the movement of troops and equipment, are a major source of emissions, and the weapons systems used lock in carbon-intensive technologies. Despite commitments to reduce military emissions, the US military's dependence on existing aircraft and warships will likely result in high emissions for years to come.
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The pressure to decarbonize
The defense industry is facing mounting pressure to reduce its carbon footprint and mitigate its impact on climate change. The industry has historically prioritized safety, reliability, and performance over environmental sustainability, but with the growing awareness of the environmental cost of military operations, the defense industry is being pushed to act.
One of the main sources of pressure comes from investors and customers who are increasingly prioritizing environmental sustainability in their portfolios and decisions. As the cost of carbon rises and companies with lower emissions become more competitive, defense contractors who fail to reduce their carbon footprints will face economic consequences. This "tectonic shift of capital" is expected to shape the trajectory of the defense industry, pushing it towards more sustainable practices.
Additionally, the defense industry is facing scrutiny from environmental organizations and the public. The US military, for example, has been called out for its lack of transparency and accountability regarding its greenhouse gas emissions. With its vast scale and carbon-intensive operations, the military's contribution to climate change is significant, and its negligence has resulted in harmful pollution and health impacts on nearby communities.
To address these concerns, defense companies are accelerating their climate efforts and investing in research and development (R&D) to decarbonize their product portfolios. They are also encouraged to take advantage of public R&D spending dedicated to environmental topics, which can help fund the costly research required to develop new decarbonization technologies. As the defense industry lags behind other sectors in reducing emissions, there is a growing urgency for it to catch up and demonstrate its commitment to environmental sustainability.
While the defense industry faces unique challenges in decarbonizing, such as the inherent difficulty of decarbonizing certain defense systems and infrastructure, it is not immune to the consequences of climate change. As world leaders debate the impacts of rising temperatures and work towards net-zero emissions targets, the defense industry must also step up and take aggressive action to reduce its carbon footprint and contribute to the global effort to mitigate climate change.
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The cost of decarbonization
The defense industry is facing mounting pressure to decarbonize. Compared to most other sectors, the defense industry is in the early stages of reducing its greenhouse gas emissions. Defense systems and supporting infrastructure are inherently more difficult to decarbonize than in other sectors. As a result, the defense industry's contribution to worldwide CO2 emissions could increase from 2% today to 25% by 2050 unless more aggressive action is taken.
There are several costs associated with decarbonization in the defense industry. Firstly, there is the financial cost of investing in new technologies and research to reduce carbon emissions. Defense companies will need to access public R&D funding and develop new decarbonization techniques, which can be costly and time-consuming. The development and deployment of new technologies will require significant lead time, which may delay the realization of full decarbonization.
Secondly, there is the opportunity cost of not prioritizing decarbonization. As investors and customers increasingly prioritize environmental sustainability, defense contractors who fail to act will face pressure and may lose business. Additionally, as the cost of carbon emissions increases due to carbon taxes and border adjustment mechanisms, companies with high emissions will become less competitive.
Furthermore, the defense industry must address the challenge of reducing emissions from military equipment, which is notoriously fuel-inefficient. Aircraft, in particular, consume vast quantities of jet fuel, and the US military's emissions from jet fuel alone exceed those of entire industrialized nations. The long lifespans of military equipment and the difficulty of switching off certain programs contribute to the complexity of reducing emissions in this sector.
Finally, there is the environmental cost of inaction. The US military, for example, is a major polluter and has been responsible for negligent actions that have harmed the environment and human life. The US military's emissions contribute significantly to climate change, and without meaningful reform, the environmental impact will continue to grow.
In conclusion, the cost of decarbonization in the defense industry is significant and multifaceted. Financial investments, opportunity costs, technological challenges, and environmental consequences must all be considered in the industry's journey towards reducing its carbon footprint.
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Frequently asked questions
The defense industry is a major contributor to environmental pollution, with the US military being one of the world's largest institutional consumers of hydrocarbons. The US military emitted an estimated 1,212 million metric tons of greenhouse gases between 2001 and 2017, more than entire industrialized nations.
There are various sources of pollution in the defense industry, including the burning of toxic substances, fuel emissions from vehicles and aircraft, and the disposal of hazardous materials. For instance, in 2017, the US Naval Air Station Oceana spilled 84,000 gallons of jet fuel into a waterway.
The defense industry's contribution to global CO2 emissions is significant. If the Pentagon were a country, it would be the 47th or 55th largest emitter in the world. The US military's carbon footprint is larger than any other institution on Earth.
The defense industry's pollution has had severe environmental and human impacts. It has contributed to climate change, with rising temperatures reshaping the world and leading to more frequent and intense extreme weather conditions. Additionally, the negligence of the US military in handling hazardous materials has resulted in groundwater contamination and caused cancer and other illnesses in residents.
There is growing pressure on the defense industry to decarbonize and mitigate climate change. While environmental sustainability has been a low priority for defense contractors, the industry is facing increasing scrutiny from investors and customers who prioritize sustainability. NATO has also released an Action Plan on Climate Change and Security, recognizing the need for better emissions data to guide member states' military planning.
