Let us accept it: livestock farming is a heavy burden on the environment. Raising animal feed takes vast amounts of land and huge supplies of freshwater, and it adds to global warming by releasing methane and nitrous oxide.

The study established proof of concept, but lettuce with meat protein is still some distance from ending up in your burger.

Let us accept it: livestock farming is a heavy burden on the environment. Raising animal feed takes vast amounts of land and huge supplies of freshwater, and it adds to global…