Scientists at Israel’s Weizmann Institute have engineered edible bacteria that feed on carbon dioxide. The project aims to produce microbes that only require sunlight and CO2, thus avoiding the need for vast amounts of land set aside for agriculture.

https://www.timesofisrael.com/in-world-first-weizmann-institute-engineers-bacteria-that-grow-fast-on-diet-of-co%e2%82%82/