A few months ago I was interviewed by Story Preservation Initiative. What started out as a nice interview about What A Plant Knows, developed into a discussion about global food security and the role of genetic engineering in agriculture. The interview was edited into a monologue of over an hour, which you can access here. Below is the part pertaining to feeding the world.
Want the bottomline? (1) Increase yield per water unit; (2) reduce food loss from field to fridge and food waste from fridge to trash; (3) modify our diet; (4) adopt technology.