Solar-powered microbes to feed the world?

An international research team has shown that using solar-panels to produce microbial protein -- which is rich not just in proteins but also in other nutrients -- is more sustainable, efficient and environmentally friendly than growing conventional crops. This method uses solar energy, land, nutrients, and carbon dioxide from the air.

source https://www.sciencedaily.com/releases/2021/07/210730104303.htm