The air-based “meat” comes from a company called Air Protein and is based on an idea conceived by Nasa in the 1960s as a possible way to feed astronauts in space. The basic concept is that CO2 breathed out by astronauts could be converted into nutrients by microorganisms called hydrogenotrophs.
Pasi Vainikka, co-founder and CEO of Solar Foods, explains how his company uses renewable energy and carbon dioxide to create a sustainable protein solution . . . .