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.
Want to learn more?
Read previous versions of the Annual Letter
An update on the machine that turns feces into water.
What world leaders can do in September to improve the lives of the poorest.
In our Annual Letter, Melinda and I wrote about what the future holds.
We’re not ready for it. But we can get there.
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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