By Presenter Nik Gowing

Small farmers produce the majority of all the food we consume wherever we are in this world – but in the rich countries and the poorer countries, in the developed world and the developing world, in the north and the south smallholder farmers are leaving the land. Our food is increasingly being produced by big business. As long as there is food for you and me to buy does it matter? A growing body of expert opinions says yes it does.