What to do with single-use plastic? Eat it.

What I talk about when I talk about turning plastic into protein, feeding chickens upcycled scraps, and better-for-you bagels.

Here’s a question I get: “What were you most surprised about while researching your book?” Sometimes I say that it was learning about startups capturing CO2 emissions in the air (say from an oil refinery) and making protein out of it with the help of microbes. It seemed soooo out there. And extremely hard to visualize—protein from essentially vapor in t…