Being unable to escape extreme heat can be deadly. If home lacks air conditioning, public spaces are closed, and stepping outside feels like an oven, the risk is severe. Heatwaves have become more frequent and intense, killing more people annually than hurricanes, floods, and tornadoes combined. In 2021, a heat dome over the Pacific Northwest caused over 1,400 preventable deaths.
The physiological impacts of extreme heat are well-documented. Heat exhaustion can escalate to fatal heatstroke, while chronic conditions like heart and respiratory diseases worsen. Vulnerable populations—the elderly, children, outdoor workers, people with disabilities, and those experiencing homelessness—bear the brunt. Cities, with their dense infrastructure, trap heat, making them significantly hotter than surrounding rural areas. A 2020 study in Nature Communications found urban temperatures can be 12°F higher than nearby vegetated regions, disproportionately affecting low-income communities.
A 2019 report from the Union of Concerned Scientists projected that without adaptation, heat exposure in the U.S. could affect 57 million people annually by 2050, with economic costs in the billions. The intersection of climate change and social inequality makes cooling shelters not just a public health measure but a matter of climate justice. France’s 2003 heatwave killed nearly 15,000 people, mostly elderly individuals living alone. In response, the government created a national heatwave plan, including public cooling centers and early warning systems. Since then, heatwave mortality rates have dropped significantly. Cities worldwide are recognizing the need for dedicated cooling strategies. After a 2010 heatwave in Ahmedabad, India, killed over 1,300 people, the city implemented a Heat Action Plan, which included designated cooling centers, public education, and early warning systems.
Cooling shelters are also essential community infrastructure. Public libraries already serve as informal cooling shelters in many cities, offering climate-controlled spaces and social engagement. Expanding this model by designating and retrofitting public buildings as formal heat shelters leverages existing infrastructure for climate resilience.
Effective cooling shelters require more than air conditioning. They must be easily accessible, open during extended hours, and equipped with water, medical supplies, and rest areas. Transportation services should be available for those with mobility challenges, and shelters must be culturally sensitive to meet the needs of diverse communities.
Technology can enhance these efforts. GIS mapping can identify heat-vulnerable neighborhoods, while mobile apps can provide real-time updates on shelter locations and conditions. Public education campaigns are essential for raising awareness, and partnerships with community organizations ensure outreach reaches broad populations that may distrust government services due to historical neglect.
Cooling shelters should integrate green design principles. Reflective roofing, natural ventilation, and urban greening can lower indoor temperatures and reduce energy costs. Green roofs and tree canopies mitigate the urban heat island effect while improving air quality. Urban planning can reduce extreme heat risks over the long term.
Therefore, under Folklaw:
Cooling shelters shall be established as critical public infrastructure in all communities vulnerable to extreme heat. Public buildings such as libraries, schools, and community centers shall be retrofitted as heat shelters, equipped with water, medical supplies, and climate-controlled spaces. Emergency transportation will be provided for those with mobility challenges.
Comprehensive Heat Action Plans will be developed, including early warning systems, public education campaigns, and community outreach. Urban planning will prioritize heat mitigation through green infrastructure.
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