
In "The Heat Will Kill You First," Jeff Goodell delivers a chilling wake-up call about our scorching planet. This NYT bestseller reveals how heat waves silently killed 72,000 Europeans in 2003 while the wealthy escape and the vulnerable suffer. What temperature will finally force us to act?
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On a summer day in 2021, a family set out for what should have been an easy hike in California's Sierra Nevada foothills. Jonathan Gerrish, Ellen Chung, their one-year-old daughter Miju, and their dog Oski never came home. Search teams found them the next morning-all four dead on a remote trail. No signs of foul play, no visible injuries. Just a family that had walked into the heat and never walked out. The culprit was invisible, odorless, and utterly merciless: extreme heat. Their final text message, sent at 11:56 a.m., read: "No water or ver heating with baby." What killed them wasn't a lack of preparation or poor judgment-it was our collective failure to grasp that we're living on a fundamentally different planet than the one we evolved to inhabit. Heat doesn't just make us uncomfortable anymore. It kills. And it's getting deadlier every year. Your body is essentially a heat machine that must maintain an internal temperature around 98 degrees. When you step into scorching weather, an elegant system kicks in: blood rushes to your skin, sweat glands activate, and evaporation cools you down. But this system has hard limits. At a wet bulb temperature of 95 degrees-a measure combining heat and humidity-even a perfectly healthy person sitting in the shade will eventually die. There's a common myth that proper hydration prevents heatstroke. It doesn't. Water delays heat exhaustion, but it cannot prevent your core temperature from climbing to lethal levels. When your body reaches 105 degrees, seizures begin. At 107, your cell membranes start melting. Your kidneys collapse, your muscles disintegrate, your intestines develop holes that leak toxins into your bloodstream, and your blood begins clotting uncontrollably. This is what happened to the Gerrish family on that shadeless trail where ground temperatures reached 109 degrees. Each member faced unique vulnerabilities: Oski couldn't sweat, baby Miju's sweat glands weren't fully developed, Jonathan carried extra weight, and Ellen-despite being fit-simply couldn't escape the physics of overheating. Heat doesn't discriminate based on good intentions.
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Creado por exalumnos de la Universidad de Columbia en San Francisco
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Creado por exalumnos de la Universidad de Columbia en San Francisco

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