Field Visit: Sanitation Innovation
Watch this video from my trip to Durban, South Africa where I met with sanitation experts who had developed a safe and inexpensive alternative to the pit toilets used by many poorer families around the world.
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Read previous versions of the Annual Letter
In our Annual Letter, Melinda and I wrote about what the future holds.
Vaccines, one of the best investments you can make for improving health.
New tools and a new strategy mean we can eradicate it in a generation.
Studying the love life of plants could help millions escape poverty.
The Great Escape is an excellent book with one big flaw.
Looking back at 2013, I wanted to share a different kind of list.
This is my personal blog, where I share about the people I meet, the books I'm reading, and what I'm learning. I hope that you'll join the conversation.
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