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Measures of U.S. Child Obesity Flawed

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The prevalence of childhood obesity in the United States is often tracked using outdated, self-reported data. Self-reported data—when a child (or the child’s parents) is asked for the child’s height and weight—tends to be unreliable.

Women More Vulnerable Than Men to Climate Change

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The glaciers that used to provide generous amounts of clean water to Bolivian mountain communities have shrunk dramatically over the past 20 years, and Leucadia now must collect water farther away, reports the United Nations Population Fund in a publication that tells her story.