Valerie Curtis

A reader in hygiene at the London School of Hygiene and Tropical Medicine, Valerie Curtis is the director of the hygiene center, a multidisciplinary group dedicated to improving hygiene, sanitation, and water worldwide. Her early work involved a study of diarrheal disease and a trial of the effectiveness of hygiene promotion in Burkina Faso. She researches evolutionary approaches to behavior change and has recently used disgust in campaigns to improve handwashing and other behavior related to public health.

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One of the most damaged areas on the planet has been repaired, in part, by a lowly bush.

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