If you tuck into a piece of meat today, in whatever form it may be, there’s likely to be a long supply chain behind it that is mostly invisible. There’s the animal it came from, obviously. Behind that is the feed that reared that animal to full size, usually soy. Behind the feed is the fertilizer that was used to grow the crop. And behind the fertilizer is the natural gas that was a feedstock for the Haber-Bosch process.
All of these steps have a considerable environmental impact – there are the greenhouse gas emissions from fertilizer production and livestock, the pollution from fertilizer, and the land and water use for growing the feed. Wouldn’t it be great if you could cut out the middle of the process – the feed – and just produce a kind of fertilizer for animals?
A company called Calysta has developed a technology…
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