Greta Jimenez
The US military is one of the world's largest polluters, with a carbon footprint that surpasses that of many countries. The Navy is a significant contributor to this problem, spending billions of dollars on fuel and emitting thousands of kilotonnes of carbon dioxide annually. While the Navy has implemented some measures to reduce waste and pollution, such as investing in alternative energy sources and developing shipboard solid waste processing systems, their efforts have not been sufficient to address the scale of the issue. The US military as a whole has been criticised for its contradictory climate policy, acknowledging the threat of climate change while remaining heavily dependent on fossil fuels and hydrocarbon-based weapons systems. The environmental impact of the Navy and the broader US military is a pressing concern that requires urgent attention and more significant action.
| Characteristics | Values |
|---|---|
| US Navy's CO2 emissions in 2017 | 7,800 kt |
| US Navy's fuel purchase in 2017 | $2.8 billion |
| US Navy's jet fuel spill in Norfolk, VA in 2017 | 84,000 gallons |
| US Navy's plastic waste discharge at sea in 1993 | Incineration terminated by the Chief of Naval Operations |
| US Navy's efforts to comply with the 1973/1978 International Convention for the Prevention of Pollution from Ships | Research on solid waste disposal, shipboard solid waste processing systems, alternative waste destruction technologies |
| US Military's CO2 emissions in 2017 | More than 25,000 kt |
| US Military's fuel purchase in 2017 | 269,230 barrels of oil per day |
| US Military's total fuel purchase in 2017 | $8.983 billion |
| US Military's CO2 emissions since the invasion of Afghanistan in 2001 | 1,212 million metric tons |
| US Military's CO2 emissions in 2017 | 59 million tons |
| US Military's rank in global fuel purchasing in 2015 | Between Peru and Portugal |
| US Military's emissions in 2017 compared to Sweden's | Higher |
| US Military's emissions in 2017 compared to Romania's total emissions | Similar |
| US Military's rank in liquid fuel consumption | The largest institutional consumer in the world |
| US Military's rank in hydrocarbon consumption | One of the largest institutional consumers in the world |
| US Military's rank in petroleum consumption | The world's single largest institutional consumer |
| US Military's energy consumption for moving and utilizing troops and equipment | 70% of all energy |
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What You'll Learn
The US Navy's contribution to global warming
The US Navy, along with the rest of the US military, is a significant contributor to global warming. The US military is one of the world's largest institutional consumers of hydrocarbons. In 2017, the Navy bought $2.8 billion worth of fuel, and the military as a whole was found to have purchased 269,230 barrels of oil a day, emitting more than 25,000 kilotonnes of carbon dioxide. The US military's total greenhouse gas emissions have been estimated at 1.2 billion metric tons, equivalent to the emissions of 257 million passenger cars annually.
The US Navy has acknowledged the threat posed by climate change and has taken some steps to address it. The Navy maintains a sophisticated global model for weather prediction and has released Climate Action 2030, a climate strategy that aims to achieve net-zero greenhouse gas emissions by 2050. However, the Navy's dependence on existing aircraft and warships locks it into the use of hydrocarbons for years to come.
In conclusion, the US Navy's contribution to global warming is significant. While the Navy has recognized the threat of climate change and taken some steps to address it, its dependence on hydrocarbons and the broader environmental negligence within the US military continue to exacerbate the problem. To effectively combat global warming, the Navy and the rest of the US military must reduce their greenhouse gas emissions and transition to more sustainable practices.
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US Navy's pollution prevention and waste discharge
The US military is one of the world's largest institutional consumers of hydrocarbons, with the Navy purchasing $2.8 billion worth of fuel in 2017. The US military emitted more than 25,000 kilotonnes of carbon dioxide in the same year, contributing to a carbon footprint that has been estimated to be equivalent to 257 million passenger cars annually.
The US Navy has been responsible for several instances of pollution, including a spill of 84,000 gallons of jet fuel into a waterway in Norfolk, VA, in 2017, and the contamination of drinking water in Hawaii and North Carolina. The Navy has also been working to reduce its environmental impact and comply with international agreements such as MARPOL Annex V, which places limits on the ocean discharge of solid waste materials. For example, in 1989, the Navy established the Plastics Removal in Marine Environment program to reduce plastic packaging and other plastic items used on board Navy ships.
In terms of waste discharge and pollution prevention, the Navy has implemented a program for compacting plastic using a Navy-developed processor, with the resulting discs stored for shore disposal. The Navy has also issued a shipboard pollution discharge restrictions guide and is exploring alternative technologies such as the plasma arc process, which converts waste into gases or fused slag.
The Navy's Shipboard Solid and Plastics Waste Management Program has been reviewed by the GAO, which found that the Navy needed better plans for reducing ship waste discharges. The review focused on the Navy's planning processes and the program's effectiveness since its implementation.
Overall, while the US Navy has taken some steps to reduce pollution and waste discharge, there is still significant room for improvement, and the US military as a whole has been criticised for its contradictory climate policy and contribution to climate change.
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US Navy's nuclear weapons testing
The US military is one of the world's largest institutional consumers of hydrocarbons, with the Navy spending $2.8 billion on fuel in 2017. The US military's contribution to climate change is often overlooked, but it has spent decades cultivating an environmentally corrosive legacy.
The US Navy has been involved in nuclear weapons testing since the 1940s. Nuclear weapons testing by the US military has been conducted in the Marshall Islands, Nevada, the Pacific Proving Grounds, Kiritimati Island in the Pacific, Alaska, Colorado, Mississippi, and New Mexico. From 1946 to 1958, 67 nuclear weapons were tested in the Marshall Islands, with fallout affecting the northern atolls of Enewetak, Bikini, Rongelap, and Utrok. These tests have had devastating consequences for the residents of these islands, including radiation poisoning, birth defects, leukaemia, and other cancers.
The US Navy has also participated in atmospheric nuclear weapons tests such as Operation GREENHOUSE in 1951, which consisted of four shots detonated on towers, and Operation CASTLE in 1954, which consisted of six test detonations. These tests exposed military personnel to neutron radiation and increased their risk of developing leukaemia.
The US military has acknowledged the threat of climate change and has invested in developing alternative energy sources like biofuels. However, these investments comprise only a tiny fraction of their spending on fuels, and they remain locked into hydrocarbon-based weapons systems and aircraft. The contradictory climate policy of the US military has led to criticism and calls for significant reductions in the Pentagon's budget to address climate change concerns.
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US Navy's jet fuel spillage
The US Navy has been involved in several jet fuel spillage incidents, which have had detrimental effects on the environment and human health. One of the most notable incidents occurred in 2021 at the Red Hill fuel storage facility in Hawaii. The Navy admitted that two leaks at the facility spilled more than 30,000 gallons of jet fuel, contaminating the nearby water supply. Families living near the base reported experiencing health issues such as rashes, gastro pain, and tooth loss, and filed a lawsuit against the Navy, alleging that their illnesses were caused by the jet fuel leak.
Another incident of jet fuel spillage by the US Navy occurred in 2017 at the US Naval Air Station Oceana in Norfolk, Virginia, where 84,000 gallons of jet fuel were spilled into a waterway. This incident highlighted the environmental impact of military operations and the potential risks to human health.
In recent years, there have been reports of jet fuel contamination in the water supply of the aircraft carrier USS Nimitz. Sailors on board the ship reported that the water used for drinking and showering had a thick layer of fuel on top and emitted a bad smell. The US Navy acknowledged the presence of traces of jet fuel in the water but faced criticism from sailors who believed the extent of the contamination was downplayed. This incident sparked concerns about the potential health risks faced by the crew and the need for immediate medical attention.
The US Navy's jet fuel spillage incidents have raised concerns about the environmental and health impacts of military operations. While the Navy has taken steps to address the spills and provide alternative water sources, the long-term effects of exposure to jet fuel on human health and the environment cannot be overlooked.
The US military, including the Navy, has been criticised for its contribution to climate change and environmental pollution. With its extensive network of fossil-fuelled vehicles and weapons systems, the military has been identified as one of the world's largest institutional consumers of hydrocarbons and a significant contributor to greenhouse gas emissions. Efforts to "green" military operations have been made, but they often fall short or are contradicted by simultaneous investments in hydrocarbon-based systems. As a result, the military continues to face scrutiny for its environmental impact and the potential risks posed to human health.
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US Navy's hydrocarbon consumption
The US military is one of the largest institutional consumers of hydrocarbons and one of the largest climate polluters in history. In 2017, the US Navy spent $2.8 billion on fuel, and emitted 7,800 kt CO2e, less than half of the US Air Force's emissions of 13,000 kt CO2e. In 2017, the US military as a whole purchased about 269,230 barrels of oil per day and emitted more than 25,000 kt CO2e by burning those fuels.
The US Navy has implemented several strategies to reduce its dependence on oil and hydrocarbon fuels. These include:
- Reducing energy use on ships: A 2001 study found that fitting a Navy cruiser with more energy-efficient electrical equipment could reduce fuel use by 10-25%. The Navy has also installed fuel-saving bulbous bows and stern flaps on many ships, and is considering shifting to advanced turbine designs such as intercooled recuperated (ICR) turbines.
- Shifting to alternative hydrocarbon fuels: The Navy has explored the use of biodiesel, liquid hydrocarbon fuels made from coal using the Fischer-Tropsch (FT) process, and biofuels.
- Shifting to nuclear propulsion: The Navy is considering shifting oil-fueled ships, such as large-deck amphibious assault ships and large surface combatants, to nuclear propulsion.
- Using sail and solar power: The Navy is exploring the use of sail and solar propulsion, including kite-assisted propulsion for Navy auxiliaries and DOD sealift ships.
Despite these efforts, the US military's dependence on fossil fuels is unlikely to change in the near future due to its continued pursuit of open-ended global operations and the life cycles of existing military aircraft and warships.
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Frequently asked questions
Yes, the US military is the world's biggest institutional polluter. In 2017, the US military emitted 25,000 kt-CO2e by burning 269,230 barrels of oil a day.
The Navy is the second-largest purchaser of fuel and emitter of greenhouse gases in the US military. In 2017, the Navy spent $2.8 billion on fuel and emitted 7,800 kt CO2e.
The Navy has been working on developing shipboard solid waste processing systems and researching alternative technologies to destroy waste, such as the plasma arc destruction process.
The US military's negligence has led to detrimental and life-threatening consequences for residents near military bases. These include radiation poisoning, birth defects, and various cancers.
Experts argue that the US military's enormous carbon footprint must be confronted to effectively battle global warming. Suggested actions include reducing the Pentagon's budget, shrinking its capacity to wage war, and redirecting funds towards a Green New Deal.
