Social infrastructure during heatwave: 'Knock on the door makes the difference between life & death'

During extreme heat, survival often depends less on temperature than on neighbors. According to Eric Klinenberg, a sociology professor at New York University, social connection can be as powerful as air conditioning. His research into Chicago's devastating nineteen ninety-five heat wave—which claimed over seven hundred lives—reveals that mortality wasn't random. Those who died were often isolated: elderly people living alone, homeless individuals, and communities fractured by poverty and neglect. Klinenberg argues that when a neighbor knocks on your door to check if you're okay, when you can access a cooling center, when you have someone to call—that makes the difference between life and death. As climate change intensifies heat waves globally, Klinenberg challenges the assumption that technology alone will protect us. The real safeguard is social infrastructure: community networks, public cooling spaces, and the human bonds that sustain us through crisis.

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