Deutsche Presse-Agentur: Efforts by industrialized countries to reduce their dependence on foreign energy sources and cut climate-changing emissions has prompted a strong backlash from some developing nations dealing with a worsening food crisis. The problem lies in bio-fuels, an alternative source of energy that is often made from food crops. The World Bank last week said that a boost in bio-fuels production was largely to blame for an 83- per-cent increase in food prices over the last three years. High …