Record-breaking heat waves affected 190 million people in the USA, but the danger of extreme heat is not disturbed equally to all. Older adults, outdoor workers, and low-income families face the worst risk of these heat waves. Yet they have very few resources to cope with this heat wave. As temperatures pass 100°F in major cities, the crisis exposes deep inequities in who suffers most and who gets protection.
The CDC reports that people 65 years and older account for the majority of heat-related deaths due to their aging bodies losing the ability to regulate temperature efficiently. A 2023 study from an environmental health perspective found that people in low-income houses are three times more likely to be hospitalized for heatstroke than those in wealthier areas. Many elderly residents live in homes without air conditioning due to cost concerns, and social isolation also affects the body, as it can help prevent timely intervention. Cities like Phoenix have helped and implemented heat relief programs, but still there is a gap, as there is still 40 percent death from elderly homes. Usually, outreach efforts fail them.
Construction workers, agricultural laborers, and delivery drivers face some of the highest risks, yet federal heat safety regulation remains nonexistent. Research from UCLA shows that outdoor workers suffer 35 times more heat-related illnesses than indoor employees. A 2024 Journal of Occupational and Environmental Medicine study revealed that "nearly 80% of heat-affected workers did not receive mandated breaks or shade, despite state laws in places like California and Oregon." Tragically, most of the deaths are among migrant workers, and they continue to rise, but 90% of these deaths could have been prevented if they had more protection.
Decades of discriminatory housing policies have rendered Black, Latino, and low-income communities far hotter than the rest of the city. Satellite photographs examined by the EPA show that redlined areas experience temperatures up to 12°F warmer than non-redlined areas due to sparse tree cover and dense concentrations of concrete. A 2025 Nature Urban Sustainability study linked heat disparities to 20% more emergency room visits for heat-related illness in the marginalized communities. Poor households in Baltimore and Detroit are spending over 10% of their income on summer electric bills, forced to make impossible choices between air conditioning and food, medicine, and other essentials.
Solutions exist but political will lags behind the crisis. Deaths can be prevented, but deployment is uneven. Miami and Los Angeles have shown free AC for low-income seniors, and Washington state has made cooling mandatory in rental homes. But again and again, Congress has not helped enact national heat protections for workers, as bills like the Fatality Prevention Act have not been approved since 2021. Grassroots groups are stepping up to help advocate and volunteer: Urban tree-planting initiatives in Chicago reduced heat-related 911 calls by 19%, and worker mobilization has gotten states like Nevada to enact emergency heat rules.