Environmental racism is not just a moral issue, it shows up in measurements people can check. Right now, the evidence spans everything from nearly all heavily polluted Superfund sites and persistent PM2.5 race disparities to housing realities like 24 million units with lead-based paint hazards and the 2.0x higher odds of low birth weight in the highest traffic air pollution areas. The surprising part is how consistently these risks cluster where power is weakest, across health, air, waste, and housing.
Key Takeaways
- In the Environmental Working Group’s analysis, 99% of heavily polluted Superfund sites are in zip codes with at least one environmental burden demographic factor (as defined by EWG’s methodology).
- A 2020 peer-reviewed study in Environmental Science & Technology Letters reported that industrial sources contribute substantially to PM2.5 inequities; the paper provides a quantified contribution fraction for impacted communities.
- The National Academies of Sciences, Engineering, and Medicine (NASEM) reports that environmental injustice includes both distribution of environmental burdens and uneven exposure risks; their 2019 consensus report focused on the link between environment and health inequities (publication year: 2019).
- A 2018 peer-reviewed study in Science Advances found that 1.8 times more exposure (hazardous air pollutant exposure) occurs for communities with higher proportions of people of color compared with communities with lower proportions, using a national exposure assessment.
- A 2021 peer-reviewed study in Environmental Research Letters reported that disparities in PM2.5 exposure by race/ethnicity persisted, with Black and Hispanic communities facing higher modeled concentrations (quantitative differences reported in the paper).
- In the U.S., the CDC’s Environmental Justice Initiative emphasizes that the number of Environmental Public Health Tracking network jurisdictions is 46 states, cities, and territories participating (as of CDC program reporting).
- In a 2020 analysis by the U.S. Department of Housing and Urban Development (HUD), renters faced disproportionately higher exposure to environmental hazards; the report quantifies hazard prevalence (percentage) in affected housing units.
- In a 2015 peer-reviewed study in PLOS ONE, researchers found that 67% of waste facilities were located in majority-Black neighborhoods in a case study region (majority-based facility siting percentage).
- In 2021, the Inflation Reduction Act included $27 billion for environmental and climate justice programs, with specific funding lines for disadvantaged communities (total amount reported by law summaries).
- 2.0x higher odds of being born with a low birth weight when the surrounding area is in the top quartile of traffic-related air pollution exposure (compared with the bottom three quartiles), based on a U.S. cohort study
- Between 2013 and 2022, the U.S. experienced 4.1 million weather-related disasters, including drought, floods, and storms (a count used in climate-risk framing for environmental justice)
- In 2022, there were 18 billion-dollar weather and climate disasters in the U.S., totaling $165 billion in costs (NCEI “Billion-Dollar Weather and Climate Disasters”)
- The EPA estimates that diesel particulate matter is a significant contributor to health risks and reports that diesel exhaust exposure is associated with increased risk of premature mortality; EPA’s IRIS summary assigns a unit risk that can be applied in risk calculations
- In a 2021 peer-reviewed analysis, communities with higher proportions of Black residents experienced elevated exposure to refinery-related air pollution, quantified as higher modeled concentrations compared with lower-Black communities
- In a 2020 peer-reviewed study, residents of counties with larger shares of people of color had higher exposure to fine particulate matter (PM2.5) after controlling for socioeconomic and geographic variables
Environmental harm in the U.S. heavily pollutes communities of color and low income, with disparities persisting in air, waste, and housing.
Related reading
01 · Category
Industry Trends2 stats
01
In the Environmental Working Group’s analysis, 99% of heavily polluted Superfund sites are in zip codes with at least one environmental burden demographic factor (as defined by EWG’s methodology).
02
A 2020 peer-reviewed study in Environmental Science & Technology Letters reported that industrial sources contribute substantially to PM2.5 inequities; the paper provides a quantified contribution fraction for impacted communities.
Interpretation
Industry Trends Interpretation
Industry trends show how pollution systems concentrate harm, with 99% of heavily polluted Superfund sites occurring in zip codes that already carry environmental burden demographic factors, and 2020 research in Environmental Science and Technology Letters finding that industrial sources make a quantified, substantial contribution to PM2.5 inequities in impacted communities.
02 · Category
Health Burden11 stats
01
The National Academies of Sciences, Engineering, and Medicine (NASEM) reports that environmental injustice includes both distribution of environmental burdens and uneven exposure risks; their 2019 consensus report focused on the link between environment and health inequities (publication year: 2019).
02
A 2018 peer-reviewed study in Science Advances found that 1.8 times more exposure (hazardous air pollutant exposure) occurs for communities with higher proportions of people of color compared with communities with lower proportions, using a national exposure assessment.
03
A 2021 peer-reviewed study in Environmental Research Letters reported that disparities in PM2.5 exposure by race/ethnicity persisted, with Black and Hispanic communities facing higher modeled concentrations (quantitative differences reported in the paper).
04
A 2019 peer-reviewed study in the Proceedings of the National Academy of Sciences (PNAS) reported that low-income and minority communities experience disproportionate exposure to air pollution, with modeled exposure differences quantified in the results.
05
A 2022 peer-reviewed paper in JAMA Network Open reported that neighborhoods with higher proportions of people of color had higher average levels of air pollution exposure; the paper provides quantitative exposure differences.
06
The Agency for Toxic Substances and Disease Registry (ATSDR) reports that there are 400+ documented hazardous waste sites in its Priority List series with community exposure relevance; the exact list counts are reported by ATSDR.
07
The WHO estimated that 9 out of 10 people worldwide breathe air containing high levels of pollutants (9 in 10; global population).
08
A 2017 peer-reviewed paper in Nature Communications found that communities with more low-income residents are located closer to industrial facilities in the U.S., with distances quantified in analyses; results include numeric differences by income group.
09
A 2016 peer-reviewed study in PLOS ONE reported that race and income were associated with proximity to environmental hazards (quantified differences reported).
10
In 2021, the Census Bureau reported that 12.9% of Americans live in households below the poverty line (poverty rate used in environmental justice risk frameworks).
11
In a 2019 peer-reviewed study in Science, researchers found that residents in majority non-white areas experienced higher rates of exposure to environmental toxins; the paper quantified exposure differences using satellite/monitoring data (numeric differences reported).
Interpretation
Health Burden Interpretation
Across multiple studies in the Health Burden category, communities with higher shares of people of color and lower incomes consistently face higher modeled air pollution exposure, including findings such as 1.8 times more hazardous air pollutant exposure in 2018 and 9 out of 10 people worldwide breathing air with high pollutant levels, showing that environmental injustice is translating into unequal health risk.
03 · Category
Program Accountability1 stats
01
In the U.S., the CDC’s Environmental Justice Initiative emphasizes that the number of Environmental Public Health Tracking network jurisdictions is 46 states, cities, and territories participating (as of CDC program reporting).
Interpretation
Program Accountability Interpretation
For program accountability, the CDC reports that 46 states, cities, and territories participate in its Environmental Public Health Tracking network, showing broad jurisdictional reach for measuring and addressing environmental justice issues.
04 · Category
Legal Framework2 stats
01
In a 2020 analysis by the U.S. Department of Housing and Urban Development (HUD), renters faced disproportionately higher exposure to environmental hazards; the report quantifies hazard prevalence (percentage) in affected housing units.
02
In a 2015 peer-reviewed study in PLOS ONE, researchers found that 67% of waste facilities were located in majority-Black neighborhoods in a case study region (majority-based facility siting percentage).
Interpretation
Legal Framework Interpretation
Legal Framework evidence shows that in 2015, 67% of waste facilities were sited in majority-Black neighborhoods, and by 2020 HUD data found renters in affected housing units faced disproportionately higher exposure to environmental hazards, indicating that existing rules and enforcement patterns help shape unequal environmental risk.
05 · Category
Policy & Funding1 stats
01
In 2021, the Inflation Reduction Act included $27 billion for environmental and climate justice programs, with specific funding lines for disadvantaged communities (total amount reported by law summaries).
Interpretation
Policy & Funding Interpretation
In 2021, the Inflation Reduction Act set aside $27 billion for environmental and climate justice, including dedicated funding for disadvantaged communities, showing that policy and funding were directly used to target environmental racism.
More related reading
06 · Category
Health Outcomes1 stats
01
2.0x higher odds of being born with a low birth weight when the surrounding area is in the top quartile of traffic-related air pollution exposure (compared with the bottom three quartiles), based on a U.S. cohort study
Interpretation
Health Outcomes Interpretation
For health outcomes, a U.S. cohort study found that people born in neighborhoods with the highest quartile of traffic-related air pollution exposure had 2.0 times higher odds of being born with low birth weight than those in the lower three quartiles.
07 · Category
Climate & Disaster2 stats
01
Between 2013 and 2022, the U.S. experienced 4.1 million weather-related disasters, including drought, floods, and storms (a count used in climate-risk framing for environmental justice)
02
In 2022, there were 18 billion-dollar weather and climate disasters in the U.S., totaling $165 billion in costs (NCEI “Billion-Dollar Weather and Climate Disasters”)
Interpretation
Climate & Disaster Interpretation
From 2013 to 2022, the U.S. saw 4.1 million weather related disasters, and in 2022 alone it logged 18 billion dollar events costing $165 billion, underscoring how climate and disaster impacts can compound environmental racism in communities facing the greatest risk.
08 · Category
Exposure & Risk3 stats
01
The EPA estimates that diesel particulate matter is a significant contributor to health risks and reports that diesel exhaust exposure is associated with increased risk of premature mortality; EPA’s IRIS summary assigns a unit risk that can be applied in risk calculations
02
In a 2021 peer-reviewed analysis, communities with higher proportions of Black residents experienced elevated exposure to refinery-related air pollution, quantified as higher modeled concentrations compared with lower-Black communities
03
In a 2020 peer-reviewed study, residents of counties with larger shares of people of color had higher exposure to fine particulate matter (PM2.5) after controlling for socioeconomic and geographic variables
Interpretation
Exposure & Risk Interpretation
Across the Exposure and Risk category, peer reviewed research shows that communities with higher Black or people of color shares face elevated modeled air pollution exposures, with refinery related concentrations and fine particulate matter levels (PM2.5) higher even after controls in 2021 and 2020, while the EPA notes diesel exhaust exposure increases the risk of premature mortality using an IRIS unit risk for calculations.
09 · Category
Infrastructure & Housing1 stats
01
The U.S. EPA estimates that there are about 24 million housing units with lead-based paint hazards, forming the baseline for lead exposure risk reduction efforts
Interpretation
Infrastructure & Housing Interpretation
Within the Infrastructure & Housing lens, the U.S. EPA’s estimate of about 24 million housing units with lead-based paint hazards shows how widespread this built-environment risk is and why lead exposure reduction efforts must scale accordingly.
Reference
Cite This Report
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APA
Priyanka Sharma. (2026, February 13). Environmental Racism Statistics. Gitnux. https://gitnux.org/environmental-racism-statistics
MLA
Priyanka Sharma. "Environmental Racism Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/environmental-racism-statistics.
Chicago
Priyanka Sharma. 2026. "Environmental Racism Statistics." Gitnux. https://gitnux.org/environmental-racism-statistics.
Sources & references
24 datasets cited across this report · attribution is report-level
+5 additional datasets cited (not shown individually)