
Steel mills are a major source of pollution, particularly in Ohio, where the industry has a long history. Steel production is highly polluting, releasing huge quantities of toxic heavy metals and chemicals into the air, ground, and water. This pollution has been linked to serious health issues, including respiratory illnesses, cardiovascular diseases, and cancer, with communities of colour and low-income populations bearing the brunt of these impacts. Environmental activists and organisations in Ohio are working towards addressing this issue, pushing for cleaner technologies and equitable clean energy legislation to protect the health and well-being of those living near steel mills.
| Characteristics | Values |
|---|---|
| Air pollutants | Nitrogen oxides, sulfur dioxide, fine particulate matter, carbon monoxide, lead, arsenic, benzene |
| Health issues | Asthma, cancer, cardiovascular diseases, mesothelioma, premature deaths |
| Affected communities | Low-income communities, Black and Latinx communities, communities of color |
| Location | Youngstown, Warren, Ohio |
| Companies | Cleveland-Cliffs' Middletown Works, EES Coke in Detroit |
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What You'll Learn

Air pollution from steel mills
Steel mills are a major source of air pollution, which has detrimental effects on the health of nearby communities. The air pollution from steel mills is linked to a range of health issues, including respiratory illnesses, cardiovascular diseases, and cancer. The emissions from these mills contain toxic heavy metals and pollutants such as arsenic, benzene, and lead, which have severe ecological and human health consequences.
In Ohio, the issue of air pollution from steel mills has been particularly prominent in Youngstown, where the legacy of steel manufacturing has resulted in environmental and racial public health crises. Local activists and organizations like the Ohio Environmental Council and ACTION (Alliance for Congregational Transformation Influencing Our Neighborhoods) have brought attention to the persistent contamination affecting low-income communities and people of color. Even after the closure of steel mills, the residual pollution continues to impact the health of these marginalized groups.
A report by Industrious Labs analyzed the toxic emissions from U.S. coal-based steel and coke plants, revealing the significant human toll associated with pollution. The report estimated up to 892 premature deaths, 250,500 cases of asthma symptoms, and a staggering $13.2 billion in health costs annually, attributed to just 17 facilities across several states, including Ohio. The emissions from these plants include harmful substances such as nitrogen oxides (NOx), sulfur dioxide (SO2), fine particulate matter (PM2.5), carbon monoxide (CO), and lead (Pb).
The Environmental Protection Agency (EPA) has proposed amendments to reduce toxic air emission limits from steel mills. However, critics argue that these amendments fall short of providing adequate protection for nearby communities. The proposed rules are expected to reduce toxic pollution by only about 15%, which is insufficient to mitigate the irreversible damage caused to people's health and the environment.
Transitioning to cleaner steelmaking technologies, such as green hydrogen-powered direct reduced iron (DRI) and electric arc furnaces (EAFs), offers a promising solution to reduce air pollution from steel mills. By eliminating the use of coal, these modern technologies can significantly reduce the emissions of toxic pollutants and greenhouse gases, ultimately safeguarding the well-being of communities and the planet.
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Ground and water contamination
Steel mills in Ohio have been the source of significant pollution, causing harm to the environment and the health of nearby communities, particularly those of low-income backgrounds and people of colour. The issue of ground and water contamination from steel mills in Ohio is a pressing one, with local activists and environmental organisations highlighting the need for urgent action.
The history of steel manufacturing in Youngstown, Ohio, has resulted in a public health crisis, with the contamination affecting low-income communities and people of colour, even after the mills have closed down. The ground and water contamination from these steel mills continue to impact the health of these communities, with activists calling for equitable clean energy legislation and racial equality.
The Ohio Environmental Council has stated that steel mills were purposefully placed in communities that were predominantly Latinx and Black. These communities are now facing the consequences, with higher rates of pollution-related health issues. The contamination of the ground and water supplies has led to increased exposure to toxic chemicals, causing a range of health problems.
The exact nature and extent of ground and water contamination caused by steel mills in Ohio require further investigation. However, it is clear that the pollution has had, and continues to have, a detrimental impact on the surrounding communities. The Environmental Protection Agency (EPA) has proposed amendments to reduce toxic air emission limits from steel mills, but these have been criticised as inadequate and failing to protect nearby residents.
Transitioning to cleaner steelmaking technologies, such as green hydrogen-powered direct reduced iron (DRI) and electric arc furnaces (EAFs), offers a potential solution to reducing ground and water contamination. By eliminating the use of coal, these technologies can significantly reduce the emissions and toxic pollutants associated with traditional steelmaking processes.
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Health risks for nearby residents
Steel mills are a major source of toxic heavy metal air pollution, and their emissions have been linked to significant health risks for nearby residents. In Ohio, the issue of steel mill pollution has disproportionately affected low-income communities and communities of colour, particularly Black and Latinx communities, exacerbating environmental and racial public health crises.
One of the primary concerns associated with living near steel mills is the increased risk of cardiovascular issues. Epidemiological studies have found a positive correlation between ambient air pollution levels and the likelihood of cardiovascular mortality. Specifically, exposure to industrial air pollution has been linked to reduced heart rate variability, which, in turn, is associated with an elevated risk of cardiovascular mortality and morbidity. This is particularly concerning for vulnerable populations, including the elderly and those with pre-existing health conditions.
The air pollution emitted by steel mills contains a range of toxic substances, including heavy metals such as lead and arsenic, as well as toxic organic chemicals like dioxins, and acid gases such as hydrogen chloride, hydrogen fluoride, and chlorine gas. Lead exposure is known to impair children's brain development and is classified as a probable human carcinogen. Short-term exposure to high levels of dioxin can lead to skin lesions and impaired liver function, while long-term exposure, even to tiny amounts, can result in long-lasting damage to the immune system, nervous system, hormone system, and reproductive functions.
In addition to the immediate health risks posed by steel mill pollution, there are also concerns about its long-term impacts on the environment and public health. Even after steel mills have ceased operations, the contamination they leave behind can persist, affecting the health of residents in surrounding communities. This issue has been observed in Youngstown, Ohio, where the legacy of steel manufacturing has resulted in ongoing health challenges for communities of colour and low-income populations.
Addressing the health risks associated with steel mill pollution requires a multifaceted approach. While regulatory interventions, such as emission limits proposed by environmental protection agencies, can play a role, community organizations and activists are also driving change by advocating for equitable clean energy legislation and racial equality for communities disproportionately affected by pollution. By raising awareness, promoting education, and fostering dialogue, these groups are working to mitigate the health risks faced by residents living near steel mills and to prevent further environmental degradation.
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Environmental racism
Ohio's history of steel manufacturing, particularly in Youngstown and the Mahoning Valley, has resulted in environmental and racial public health crises. Even though many steel mills have closed down, the contamination they left behind continues to affect communities of colour and low-income populations. Non-renewable energy sources used in steel mills, such as oil, coal, and natural gas, have led to air pollution and water contamination. Activists and members of the Ohio Environmental Council, like Chris Tennant, have asserted that these factories were purposely placed in Latinx and Black communities, which were considered "less desirable".
The pollution caused by steel mills has severe health consequences for nearby residents. Studies show that exposure to steel mill emissions increases the risk of cardiovascular issues and lung disease. Steel mills emit toxic organic chemicals, including dioxins, as well as acid gases such as hydrogen chloride, hydrogen fluoride, and chlorine gas. Short-term exposure to high levels of dioxin can cause skin lesions and affect liver function, while long-term exposure, even to tiny amounts, can impair the immune system, nervous system, hormone system, and reproductive functions. The Environmental Protection Agency (EPA) has identified dioxins as probable human carcinogens.
Additionally, the production of coke, a key component in steelmaking, releases toxic pollutants like benzene and lead, which are linked to long-term health issues, including cancer, respiratory diseases, and heart problems. The report by Industrious Labs found that residents living near coke facilities, who are often low-income and predominantly people of colour, face cancer risks 26% higher than the national average. The report also estimated that pollution from just 17 facilities in several states, including Ohio, resulted in up to 892 premature deaths, 250,500 cases of asthma symptoms, and $13.2 billion in health costs annually.
While transitioning to cleaner steelmaking technologies, such as green hydrogen-powered direct reduced iron (DRI) and electric arc furnaces (EAFs), is crucial for reducing environmental and health impacts, immediate action is also necessary. Environmental organisations and community groups are advocating for stronger pollution controls, equitable clean energy legislation, and accountability for polluters. They emphasise the need for enforcement and strengthening of environmental laws and emission limits to protect communities facing environmental racism and its detrimental health consequences.
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Calls for stronger pollution controls
The Ohio Environmental Council highlights the intentional placement of polluting factories in Latinx and Black communities, exacerbating the injustice. A report by Industrious Labs underscores the alarming health costs attributed to coal-based steelmaking in Ohio and several other states, including an estimated 892 premature deaths, 250,500 cases of asthma symptoms, and a staggering $13.2 billion in health costs annually.
These health costs are associated with managing symptoms, medical care, and the societal impact of premature deaths. The report utilises data from the U.S. Environmental Protection Agency (EPA) and their CO–Benefits Risk Assessment (COBRA) screening model to analyse toxic emissions. Hilary Lewis, Steel Director at Industrious Labs, emphasises the devastating and far-reaching consequences of harmful air pollution from steel mills.
Despite the pressing need for stricter pollution controls, the Environmental Protection Agency (EPA) has proposed weak amendments to its existing rule to curb toxic air emissions from steel mills. James Pew, Earthjustice Director of Clean Air Practice, criticised the proposed rule, stating that it fails to adequately protect communities from toxic air pollution and the irreversible damage to people's health. The EPA's demographic analysis reveals that 27% of residents within a 5-kilometre radius of a steel mill are Black, more than double the percentage of Black Americans in the overall population.
To address these pressing issues, advocates call for stronger pollution controls and a transition to cleaner, modern steelmaking technologies. For instance, green hydrogen-powered direct reduced iron (DRI) and electric arc furnaces (EAFs) offer a more sustainable alternative by eliminating the need for coal and significantly reducing carbon emissions. With federal funding and historic tax incentives available, steel companies have a unique opportunity to invest in these clean technologies and mitigate the environmental and health impacts of steel production.
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Frequently asked questions
Steel mills cause air, water, and ground pollution by releasing toxic heavy metal air pollutants, such as arsenic, nitrogen oxides, sulfur dioxide, fine particulate matter, carbon monoxide, and lead.
Pollution from steel mills has been linked to increased risks of cardiovascular diseases, respiratory illnesses, and premature deaths. Studies have also shown that people working in steel mills have an increased risk of developing mesothelioma, an aggressive form of lung cancer.
Yes, low-income communities and communities of color, particularly Black and Latinx communities, in Ohio have been disproportionately impacted by the pollution from steel mills.
Environmental activists and organizations in Ohio are advocating for climate change, equitable clean energy legislation, and racial equality for impacted communities of color. There is also a push for the steel industry to adopt cleaner technologies, such as green hydrogen-powered direct reduced iron (DRI) and electric arc furnaces (EAFs), to reduce pollution and protect nearby communities.











































