#Food prices to x2 in next 20 years mainly cos of climate change – http://t.co/QcSe7wy.But small farmers cool the Earth

Film-maker, academic, author of Stuffed & Starved, co-author of A History of the World In Seven Cheap Things, and Inflamed
#Food prices to x2 in next 20 years mainly cos of climate change – http://t.co/QcSe7wy.But small farmers cool the Earth