How do you solve the problem of water, sanitation and hygiene? | Unilever

Dr Val Curtis from the London School of Hygiene and Tropical Medicine discusses the world’s water, sanitation and hygiene crises, and how business can help solve them.

• Around a billion people still defecate in the open
• Less than one in five people wash their hands with soap after using the toilet
• 10% of the world’s population lack access to safe water

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