Nearly 21 million farmers in 452 counties across China have adopted recommendations from scientists in a 10-year agriculture sustainability study to reduce fertilizer use. According to Nature, their efforts are paying off: all told, the farmers are now $12.2 billion better off than they were before.
This Gates-funded toilet will change how we think about poop
Yan Qu and Clement Cid spend a lot more time thinking about poop than your average academics. The pair, both at Caltech, are part of a team working on what could be the future of bathrooms: a self-cleaning, solar-powered toilet that turns human waste into hydrogen and fertilizer.
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Carbon-negative energy now a reality
In 2007, officials from Berkeley, California shut off the electricity to an artists space known as the Shipyard. That action, which forced the artists there to seek a new way to power their flamethrowers, is the origin story of a company that now produces what it says is the world’s only carbon-negative power source.
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