Hello again. I’m sure you’ve been hearing about climate change this week: on TV, over the radio, in blogs, in Parliament, at home, at school and at work. With the Copenhagen Summit starting yesterday (7 December), the talk will only get louder.

With the population exceeding 6.7 billion and growing by over 6 million a month, the need to protect agricultural land and to increase food production has become critical. Does sustainable agriculture have the answers?