With all of the environmental and social problems confronting our food systems today, it is apparent that none of the strategies we have relied on in the past higher-yielding varieties, increased irrigation, inorganic fertilizers, pest damage reduction can be counted on to come to the rescue. In fact, these solutions are now part of the problem. It is becoming quite clear that the only way to keep the food crisis from escalating is to promote the conversion processes that will move agriculture to sustainability.

Under the editorial guidance of agroecology experts...