Indoor Vertical Farms Are the (Very Expensive) Future of Food

Produce grown indoors could safeguard against shocks to the food supply

Vertical farms are proposed as a safeguard against future food shocks, but cost remains a big obstacle. Credit: Plenty

When Covid-19 forced many restaurants to close, demand for certain types of produce suddenly dropped: Eggs were smashed, onions were buried, and milk poured into drains. Farmers who had tailored their harvests to the demands of restaurants…