Vertical farms have had successes producing fresh greens and herbs, tomatoes and strawberries—all necessary and delicious crops but not the most calorie-dense. That honor falls to cereals and grains, ...

The perennial grain can produce an annual crop even as it stays in the ground for up to four years. Its deep root system helps pull carbon out of the air and makes it more resistant to floods and ...

Lunchtime in Copenhagen, Denmark. The place is packed and staff are talking customers through the menu. Would we like the slow-roasted pork with pearl barley and mushrooms? How about the rye pancakes ...