Rising competition for many of the world’s important crops is sending increasing amounts toward uses other than directly feeding people. These competing uses include making biofuels; converting crops into processing ingredients, such as livestock meal, hydrogenated oils and starches; and selling them on global markets to countries that can afford to pay for them.

Chris West, University of York; Bob Doherty, University of York, and Tony Heron, University of York

If you’re one of the millions of people concerned about the growing pressures that our food habits are placing on the environment, then you’ve probably felt confused, conflicted or downright overwhelmed by your own food choices on more than a few occasions. Is quinoa good, evil, or somewhere in between? Were the coconuts in my coconut milk picked by a monkey? Am I a bad person if I eat an avocado?