By Gustavo Esteva
A peasant holds corn cobs during a demonstration in Mexico City against prices rising Photograph: Luis Acosta/AFP/Getty Images
This is grim news: food prices are reaching record levels worldwide. The thousands of farmers who have killed themselves over the past decade seem to have no precedent. According to the UN’s Food and Agriculture Organisation’s director, the goal to reduce the number of hungry people by half will only be achieved in 2050.