Meghan Hodges
Coal is a fossil fuel that has been used for decades to generate electricity. However, its use comes at a cost to human health and the environment. Coal mining and combustion release toxic pollutants into the air, water, and soil, leading to severe health issues and even deaths. The economic impact of coal pollution is significant, with externalized costs exceeding its market value. The true cost of coal includes the expenses of environmental disasters, healthcare, lost productivity, and global warming mitigation. As a result, there is a growing recognition that transitioning away from coal is essential for safeguarding public health and mitigating climate change.
| Characteristics | Values |
|---|---|
| Economic impact | The true cost of coal is not reflected in its market price due to externalized costs. In 2007, the worldwide externalized costs were estimated to exceed $450 billion, more than double the total economic value of coal that year ($210 billion). The health impacts of coal pollution have enormous economic costs, including healthcare costs and lost productivity. |
| Health impact | Coal-fired power plants emit toxic substances such as soot, sulfur dioxide, nitrous oxides, mercury, and heavy metals, which contribute to respiratory illnesses, lung disease, neurological issues, and developmental damage. A government study in Ontario found that coal-fired plants in the province caused an average of 660 premature deaths, 920 hospital admissions, 1,090 emergency room visits, and 331,000 minor illnesses annually. Coal pollution is also associated with higher rates of childhood asthma and heart disease. |
| Environmental impact | Coal contributes to greenhouse gas emissions, including carbon dioxide (CO2) and methane, leading to climate change and global warming. Coal mining techniques, such as mountaintop removal, can alter landscapes and pollute downstream water sources. Coal ash storage and landfills can contaminate groundwater, and coal ash impoundment ruptures can cause environmental damage. |
| Regulatory impact | Air pollution regulations and coal power plant retirements have led to a decline in mortality rates associated with coal pollution. The Clean Air Act and the Clean Water Act require industries to reduce pollutants released into the air and water. |
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What You'll Learn
The true cost of coal
Coal is a major source of air pollution, emitting toxic substances such as soot, sulfur dioxide, nitrous oxides, mercury, and other heavy metals. These emissions have been linked to thousands of deaths and illnesses, particularly from lung disease, in the US and Canada. A government study in Ontario, Canada, found that coal-fired plants in the province caused about 660 premature deaths, 920 hospital admissions, 1,090 emergency room visits, and 331,000 minor illnesses on average each year. The health impacts of coal pollution result in significant economic costs, including healthcare costs and lost productivity. In Australia, the health impacts of coal cost taxpayers an estimated $2.4 billion annually, with over two million people exposed to toxic pollutants from coal-fired power stations.
Coal mining and extraction also have significant environmental impacts. Mountaintop removal and valley-fill mining, for example, have altered the landscape of the Appalachian Mountains in West Virginia and Kentucky. This method involves removing mountain tops with explosives, filling valleys with rock and dirt, and potentially polluting downstream waterways. Coal ash storage and landfills can also contaminate groundwater, and coal ash impoundment ruptures can cause environmental damage.
The economic costs of coal are significant. In the US, the externalised costs of coal were estimated to exceed $450 billion in 2007, more than twice the total economic value of coal that year. Additionally, coal combustion in the US incurred hidden costs of over $62 billion in 2005. Taxpayers often bear the costs of cleaning up environmental disasters caused by the coal industry, such as the coal ash spill in Tennessee, which is estimated to cost up to $1 billion.
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Health impacts and costs
Burning coal releases toxic and carcinogenic substances into the air, water, and land, severely impacting the health of miners, workers, and surrounding communities. Coal-fired power plants are a significant source of fine particulate matter (PM2.5) air pollution, which is linked to an increased risk of death. The health impacts of coal pollution include respiratory and cardiovascular disease, systemic inflammation, neurodegeneration, and various health problems such as childhood asthma, heart and lung disease, and certain types of cancer.
In Australia, coal's health impacts cost taxpayers an estimated $2.4 billion annually. The burning of fossil fuels, including coal, contributes to air pollution, which has led to approximately 4.2 million deaths worldwide in 2020, with 1.2 million of these deaths directly linked to the burning of fossil fuels. Without fossil fuels, average life expectancy is projected to increase by more than a year, and the economic and health costs associated with burning fossil fuels could decrease by nearly US$3 trillion.
In the United States, coal-related deaths amount to 50,000 each year, with air pollution from coal-fired power plants contributing to four out of five leading causes of mortality in the country, including heart disease, cancer, stroke, and chronic respiratory diseases. A study found that for every 1 μg/m3 increase in coal PM2.5, mortality increased by 1.12%, which is more than double the risk associated with general PM2.5 exposure from all air pollution sources. It is estimated that between 1999 and 2020, 460,000 deaths could have been avoided without emissions from coal power plants.
Other countries, such as China and India, also face severe health impacts from coal pollution. In 2013, 366,000 deaths in China were attributed to coal, while coal-related deaths in India reached approximately 169,000 per year. The health consequences of coal pollution highlight the importance of transitioning to clean energy sources and implementing policies to reduce air pollution and improve public health.
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Environmental disaster clean-up costs
The environmental and health costs of coal pollution are significant and wide-ranging. Coal-fired power plants emit toxic pollutants such as soot, sulfur dioxide, nitrogen oxides, mercury, and particulate matter (PM2.5), which have severe impacts on human health and the environment. These emissions contribute to respiratory illnesses, lung disease, neurological damage, and even mortality. The economic costs of coal pollution are substantial, encompassing healthcare expenses, lost productivity, and environmental cleanup.
The cleanup costs of environmental disasters caused by the coal industry can be substantial. For instance, the cleanup of a recent coal ash spill in Tennessee is estimated to cost up to $1 billion, with most of the cost being borne by taxpayers. Additionally, the Healy Clean Coal Plant (HCCP) in Alaska has cost the state and federal government nearly $300 million without producing any power in return. These examples highlight the significant financial burden that coal pollution places on society.
The health impacts of coal pollution further contribute to the economic costs. In Australia, the health impacts of coal pollution cost taxpayers an estimated $2.4 billion annually, including increased rates of childhood asthma, heart and lung disease, and cancer. Coal mining practices, such as mountaintop removal and valley fill mining, also alter landscapes and contaminate downstream water sources, leading to additional environmental cleanup costs.
To address the costs of coal pollution, it is crucial to implement effective pollution control measures and transition towards cleaner energy sources. Reusing and recycling waste from coal burning can help reduce environmental impacts and provide materials for other industries. Additionally, policies and regulations that target emissions reductions can improve air quality and public health, as evidenced by the decline in mortality rates associated with coal power plant emissions over time.
Overall, the environmental disaster cleanup costs associated with coal pollution are significant and often underestimated. By recognizing the true costs of coal, including its impact on human health and the environment, societies can make more informed decisions about energy sources and prioritize investments in cleaner alternatives.
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Air pollution and health
Air pollution from coal power plants has been associated with a greater mortality risk than previously thought. A study by Henneman et al. (2023) found that for every 1 μg/m3 increase in coal PM2.5, mortality increased by 1.12%. This is more than double the risk previously associated with general PM2.5 exposure from all air pollution sources. The fine particulate matter (PM2.5) from coal-burning power plants is linked to an increased risk of death and various health issues.
The health impacts of coal pollution are wide-ranging and impose significant economic costs on society. In Australia, the health consequences of coal cost taxpayers an estimated $2.4 billion annually. These costs include higher rates of childhood asthma, heart and lung disease, and certain types of cancer. Over two million Australians are exposed to toxic pollutants from coal-fired power stations, and the burning of coal releases toxic and carcinogenic substances into the air, water, and land, severely affecting the health of miners, workers, and nearby communities.
Coal-fired power plants emit toxic substances such as soot, sulfur dioxide, and nitrous oxides, which are estimated to cause thousands of deaths from lung disease each year in the US and Canada. A government study in Ontario revealed that the coal-fired plants in that province were responsible for approximately 660 premature deaths, 920 hospital admissions, 1,090 emergency room visits, and 331,000 minor illnesses annually. Additionally, coal-fired power plants release atmospheric mercury, which accumulates in the food chain. Mercury has been linked to neurological issues, developmental damage, reduced immune function, weight loss, and decreased reproduction rates in humans.
The economic impact of coal pollution extends beyond healthcare costs. Negative effects on the economy can lead to worse health outcomes in the population, creating a cycle of increased healthcare costs. For example, coal mining can result in job losses for fishermen downstream, as well as health issues for those exposed to coal-fired power plant pollution. The cleanup of environmental disasters caused by the coal industry, such as coal ash spills, can also incur significant costs, often borne by taxpayers.
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Water pollution and health
Water pollution is a serious environmental issue that can have significant impacts on human health. It occurs when water becomes contaminated, typically by chemicals or microorganisms. These pollutants can cause water to become toxic, leading to various health issues in humans, including infections and chronic illnesses. For instance, exposure to certain pollutants in water has been linked to early-onset menopause, cardiovascular disease, and an increased risk of cancer. Moreover, pollutants can induce oxidative stress, inflammatory reactions, and metabolic disorders in humans.
The presence of microplastics in water is a growing concern. These tiny plastic fragments, often consumed by fish, can end up in our bodies when we eat contaminated seafood or drink contaminated water. Studies estimate that people ingest between 0.1 and 5 grams of microplastics weekly, which may lead to adverse health effects. Additionally, water contaminated with fecal matter can harbor dangerous bacteria, causing diseases such as diarrhea, cholera, dysentery, typhoid, hepatitis A, and polio.
Oil pollution is another significant issue, often occurring through oil tanker spills, but also via factories, farms, cities, and the shipping industry. Radioactive waste, if improperly disposed of, can contaminate water sources and pose a severe hazard to humans, marine life, and the environment. The process of fracking, which involves extracting oil or natural gas from rock, has also been criticized for its potential to pollute water.
The impact of water pollution on human health is not limited to physical ailments. Studies have shown that certain water pollutants, including pesticides and industrial chemicals, are associated with neurological and psychiatric disorders, mood swings, and cognitive impairment. Furthermore, with rapid industrial growth, waste emissions are increasing globally, and climate change is expected to further compromise drinking water safety.
The lack of data on water quality exacerbates the problem. According to the United Nations Environment Programme (UNEP), over 3 billion people are at risk of disease due to the unknown water quality of their rivers, lakes, and groundwater. This highlights the urgency of improving water quality standards and implementing effective measures to control water pollution, especially as water is an essential resource for all life on Earth.
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Frequently asked questions
Coal-fired power plants emit toxic substances like soot, sulfur dioxide, and nitrous oxides, which have been linked to lung disease, neurological and developmental damage, and even death. The health impacts of coal pollution result in significant economic costs, including healthcare costs and lost productivity. For example, in Australia, coal's health impacts cost taxpayers an estimated $2.4 billion annually.
Coal pollution contributes to climate change and greenhouse gas emissions, including carbon dioxide and methane. It also leads to water pollution, with coal ash contaminating groundwater and causing environmental damage when coal ash impoundments rupture.
The economic costs of coal pollution include the costs of cleaning up environmental disasters, such as coal ash spills, which can run into billions of dollars. Additionally, the externalized costs of coal, including the impacts on the environment and human health, can exceed the market price of coal. For example, worldwide externalized costs were estimated to exceed $450 billion in 2007, while the total economic value of coal that year was estimated at $210 billion.
Coal-fired power plants are a major source of fine particulate matter (PM2.5) air pollution, which is associated with an increased risk of mortality. Studies have shown that air pollution from coal power plants is linked to a higher number of deaths than previously thought. For example, a decline in mortality over time has been attributed to emissions reductions and coal power plant retirements.
