Brian Barton
The Caribbean Sea is one of the largest seas on Earth, with an area of about 2,754,000 square kilometres. It is a sea of the North Atlantic Ocean in the tropics of the Western Hemisphere and is bounded by the Greater Antilles to the north, the Lesser Antilles to the east, South America to the south, and Central America and the Yucatán Peninsula to the west. The Caribbean Sea is extremely vulnerable to marine pollution due to the dependence of its people on natural resources and its vast exposed coastlines. In recent years, there has been a dramatic increase in marine pollution in the Caribbean Sea, with hundreds of thousands of tons of plastic remaining uncollected on Caribbean islands each year and voluminous waves of plastic waste washing up on the shores. The Caribbean is also one of the largest oil-producing areas in the world, which further contributes to the pollution problem.
| Characteristics | Values |
|---|---|
| Marine pollution | Plastic, solid waste, sewage, agricultural runoff, oil, and hazardous chemicals |
| Number of Caribbean countries that have banned single-use plastics and/or Styrofoam | 14 |
| Top polluters per capita in the Caribbean | Trinidad & Tobago, Antigua & Barbuda, St. Kitts & Nevis, Guyana, Barbados, St. Lucia, Bahamas, Grenada, Anguilla, and Aruba |
| Plastic debris removed from coastal and underwater sites in the Caribbean between 2006-2012 | 3,990,120 items |
| Miles of coastal and underwater sites cleaned up in the Caribbean between 2006-2012 | 2,317 |
| Annual plastic pollution in the Caribbean Sea | 18 billion pounds |
| Annual revenue loss due to coral reef degradation | $350 million to $870 million |
| Number of Caribbean countries that have banned single-use plastic bags | 14 |
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What You'll Learn
Plastic pollution
The Caribbean Sea is one of the largest seas on Earth, with an area of about 2,754,000 square kilometres. It is a sea of the North Atlantic Ocean in the tropics of the Western Hemisphere, located south of the Gulf of Mexico and southwest of the Sargasso Sea. The Caribbean region has seen a significant increase in human activity since the colonisation period, with the sea being one of the largest oil-producing areas in the world and a large fishing industry, accounting for 500,000 tonnes of fish annually. This human activity has led to a dramatic increase in marine pollution in recent years, including plastic pollution.
The Caribbean Sea is particularly vulnerable to the impacts of marine pollution due to the dependence of its people on natural resources and its vast exposed coastlines. Entire ecosystems and the natural assets these countries depend on are undermined by marine pollution, which includes plastics, sewage, agricultural runoff, gas, and oil. The Pan American Health Organization estimated in 1993 that only about 10% of the sewage from Central American and Caribbean Island countries is properly treated before being released into the sea.
The Caribbean Islands are the biggest plastic polluters per capita in the world, with ten of the top thirty global polluters per capita coming from the region. These island nations generate more plastic debris than the weight of 20,000 space shuttles each year. Trinidad and Tobago is the biggest culprit, producing 1.5 kilograms of waste per capita per day, the largest in the world. St. Lucia, another small island nation in the Caribbean, generates more than four times the amount of plastic waste per person as China.
The increase in plastic pollution disproportionately affects the Caribbean, as small coastal communities with ocean-dependent economies and inadequate waste management systems are far more vulnerable to the impacts of plastic waste. To address this issue, 14 Caribbean countries have banned single-use plastics and/or Styrofoam, which is a critical first step in transitioning to a blue economy and ensuring the sustainable management and use of marine resources. However, more needs to be done to improve waste management and waste infrastructure, such as garbage collection, recycling centres, and secure landfills, to prevent the tripling of mismanaged plastic waste generation by 2060.
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Oil and gas pollution
The Caribbean Sea is a busy shipping route, with around 50,000 ships passing through the region annually, many of which are large vessels transporting oil, gas, and chemicals. The density of ship traffic in certain passages, such as the Yucatan Channel, the Bahamas Channel, and the Florida Strait, makes these areas particularly vulnerable to oil spills. The risk of spills is further exacerbated by the region's oil-based industries, with Trinidad and Tobago identified as being at very high risk. The last major oil spill in Trinidad and Tobago occurred in 2000, causing short-term damage to coastlines in the Gulf of Paria.
The Caribbean Pollution Regional Program (CARIPOL), conducted between 1980 and 1987, found significant levels of petroleum pollution throughout the Wider Caribbean, including tar contamination of beaches, high levels of floating tar in current systems, and elevated concentrations of hydrocarbons in surface waters. It is estimated that oil discharges from tank washings in the region could be as high as 7 million barrels per year. The main sources of petroleum pollution in the Wider Caribbean are production, exploitation, transportation, urban and municipal discharges, refining, chemical wastes, normal loading and unloading operations, and accidental spills.
To address the issue of oil and gas pollution, the Caribbean Environment Programme (CEP) was established in 1981 as part of the Regional Seas Programme. The Cartagena Convention, which entered into force in 1986, is a legally binding multilateral environmental agreement for the protection and development of the Wider Caribbean Region. The convention addresses oil-related issues through the Oil Spills Protocol, which aims to strengthen national and regional preparedness and response capacity to oil spills, and foster cooperation among nations to prevent and control major incidents. The Regional Activity Centre under the Oil Spill Protocol, the Regional Marine Pollution Emergency Information and Training Centre Wider Caribbean (RAC/REMPEITC-Caribe), is based in Curacao, Netherlands Antilles.
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Sewage and agricultural runoff
The Caribbean Sea is extremely vulnerable to marine pollution due to the dependence of its people on natural resources, vast exposed coastlines, and fragile marine ecosystems. Sewage and agricultural runoff are significant contributors to this pollution, causing both ecological and public health issues.
Sewage discharge is a major source of nutrient pollution in the Caribbean Sea, particularly in areas near cities. Untreated sewage contains high levels of nitrogen and phosphorus, which act as nutrients that fuel the growth of marine plants such as algae. This can lead to eutrophication, an excessive growth of marine plant life that limits sunlight and oxygen availability in the water. Eutrophication has severe consequences for coral reefs, seagrass beds, and other vital habitats in the region, causing their degradation and even death.
In Colombia, for example, eutrophication in the Cartagena Bay and the Ciénaga de Tesca has resulted in mass fish mortalities due to the discharge of untreated wastewater and fertilizer runoff. Similarly, coral reefs at Islas del Rosario, Colombia, have experienced degradation due to eutrophication. Sewage may also contain pathogenic bacteria, viruses, and chemicals such as industrial chemicals, heavy metals, pharmaceuticals, and oils, posing additional threats to human health and the environment.
Agricultural runoff, including fertilizer use and poor soil management practices, is another significant contributor to nutrient pollution in the Caribbean Sea. This runoff carries high levels of nitrogen and phosphorus into the sea, exacerbating the problem of eutrophication. Deforestation and poor agricultural practices have also been linked to major soil erosion, further degrading the environment.
The Caribbean region has recognized the urgency of addressing marine pollution and is taking steps towards a Blue Economy, which aims for sustainable management and use of ocean and marine resources. Efforts such as the Caribbean Environment Programme (CEP) and its initiatives, as well as bans on single-use plastics and Styrofoam in several Caribbean countries, demonstrate a commitment to tackling pollution from sewage and agricultural runoff.
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Solid waste and hazardous chemicals
Marine pollution in the Caribbean is a pressing issue that threatens the region's development and the quality of life of its people. Solid waste and hazardous chemicals are among the main contributors to this pollution crisis.
Solid waste is a significant problem in the Caribbean, with a large amount of it ending up in open-air dumps and local waterways. According to the Pan-American Centre for Sanitary Engineering and Environmental Sciences, 424,000 tons of waste are generated daily in Latin America and the Caribbean, and less than 35% is processed into regulated sanitary landfills. This means that approximately 275,000 tons of waste end up in dumps or waterways every day. This waste includes food and kitchen waste, paper, glass, metal, plastic containers and packaging, construction waste, clothing, and hazardous waste like medications, batteries, paints, and chemicals. During storms and coastal flooding events, this waste is easily washed out to sea, polluting the marine environment.
The improper disposal of solid waste has severe ecological consequences. For example, solid wastes have caused mortalities and reduced the reproductive success of sea turtles, marine mammals, and seabirds in the Bahamas. Additionally, the region's shipping traffic contributes significantly to marine debris, as many ships dump their wastes at sea. This waste, including paper and foam, is then transported by winds and currents to other locations, causing transboundary issues.
The Caribbean is also vulnerable to the impacts of hazardous chemicals. These chemicals can contaminate surface, ground, and coastal waters, degrading ecosystems. While some hazardous chemicals may come from shipping and industrial activities, much of the region's chemical pollution likely stems from agricultural runoff and untreated sewage. This pollution can have direct health impacts on local communities, such as increased exposure to viruses borne by mosquitoes that breed in litter.
The Caribbean's unique vulnerabilities, including its vast exposed coastlines and dependence on natural resources, underscore the urgency of addressing solid waste and hazardous chemical pollution. Fourteen Caribbean countries have already banned single-use plastics and/or Styrofoam, signalling a commitment to tackling this issue. However, more comprehensive waste management and infrastructure improvements are needed to protect the region's fragile ecosystems and ensure a sustainable future.
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Climate change
The Caribbean Sea is a sea of the North Atlantic Ocean in the tropics of the Western Hemisphere. It is one of the largest seas on Earth, with an area of about 2,754,000 square kilometres. The sea is bounded by multiple countries, including Cuba, Puerto Rico, the Virgin Islands, Trinidad and Tobago, Venezuela, Colombia, Panama, Mexico, and more. The geopolitical region around the sea is known as the Caribbean and includes the numerous islands of the West Indies and adjacent coastal areas in the mainland Americas.
The Caribbean Sea is extremely vulnerable to the impacts of climate change and human activities. The sea is one of the largest oil-producing areas in the world, with approximately 170 million tons of oil produced per year. The area also has a large fishing industry, accounting for 500,000 tons of fish annually. Human activity in the region, including oil production and fishing, contributes significantly to pollution. The Pan American Health Organization estimated in 1993 that only about 10% of sewage from Central American and Caribbean Island countries is properly treated before being released into the sea.
The Caribbean is especially vulnerable to the health-related impacts of pollution, such as the spread of viruses borne by mosquitoes that breed in litter. According to the World Bank, marine pollution in the Caribbean has significant socio-economic, health, and ecological impacts and threatens the region's transition to a blue economy. A blue economy aims to increase growth while ensuring that ocean and marine resources are sustainably managed and used. The Caribbean's dependence on natural resources and its vast exposed coastlines make it highly susceptible to the effects of marine pollution.
To address these challenges, 14 Caribbean countries have banned single-use plastics and/or Styrofoam. This is a crucial step in reducing plastic pollution, as hundreds of thousands of tons of plastic remain uncollected on Caribbean islands each year, with large amounts washing up on shores, especially after storms. Additionally, the Caribbean is vulnerable to the impacts of climate change, including more frequent and severe storms, which can exacerbate the problem of plastic pollution.
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Frequently asked questions
The Caribbean Sea is one of the largest seas on Earth, with an area of about 2,754,000 square kilometres. It is extremely vulnerable to marine pollution due to its vast exposed coastlines and the dependence of its people on natural resources.
The pollution is caused by human activities such as plastic waste, sewage, agricultural runoff, and oil production. The Pan American Health Organization estimated in 1993 that only about 10% of sewage from Central American and Caribbean Island countries is properly treated before being released into the sea.
Marine pollution in the Caribbean has major socio-economic, health, and ecological impacts. It threatens the region's development and the quality of life of its people, with entire ecosystems and natural assets being undermined. The Caribbean is particularly vulnerable to health-related impacts of pollution, such as viruses borne of mosquitoes that breed in litter.
Recognising the potential of the ocean, Caribbean countries are weighing policy shifts to protect their valuable coastal and marine natural capital. Fourteen Caribbean countries have banned single-use plastics and/or Styrofoam, and efforts are being made to improve waste management and waste infrastructure.
Individuals can play a crucial role in reducing pollution by properly disposing of waste, supporting recycling initiatives, and volunteering for beach clean-up efforts. Additionally, spreading awareness about the issue and advocating for sustainable practices can contribute to a collective effort to protect the Caribbean Sea.
