比尔·盖茨在北京举办新世代厕所博览会，带一罐粪便上台演讲！

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Bill Gates shocked the crowd in Beijing on Tuesday with a jar of human feces in his hand. The Microsoft founder hosted the Reinvented Toilet Expo. His aim? To let the new toilets that don’t need water known to the people. “Today, rich countries have a system,” Gates said. “That requires a lot of pipes. It’s very expensive and it won’t happen in these newer, poorer cities.”
According to the WHO, around 2.3 billion people still do not have basic facilities such as toilets. Gates pointed out the jar in his hand could contain “as many as 20 billion bacteria”.
Through the Gates Foundation’s “Reinvent the Toilet Challenge”, Bill and Melinda Gates have given $200 million to researchers seeking to develop waterless toilets over the past seven years. To compete in the challenge, toilets had to cost less than 5 cents a day to operate, without the need for electricity or running water. The toilets take human waste, kill dangerous bacteria and change the resulting material into products with potential commercial value, like clean water, electricity and fertilizer.
Gates chose to sell the invention in a country that has struggled with clean sanitation. In 2015, Chinese President Xi Jinping called for a national “toilet revolution”. The world’s second-largest economy since 2010, China has made significant improvements in public hygiene, but many rural towns still do not have access to modern toilets.
Gates noted that the production of these toilets will be at least a decade before they can reach the poorest areas. “The very first ones are still fairly expensive. It will take time before we get the price down to the low end of the market,” Gates said. “We will make them cheap enough to cover Africa, which would not happen without this breakthrough.”