Panorama: Dying for a Biscuit

If consumers knew that buying their favourite chocolate bar contributed to the extinction of the orangutan and fuelled global warming, would they still treat themselves? The UK consumes huge amounts of palm oil, an ingredient found in scores of products including biscuits, fish fingers, cosmetics and toiletries. Reporter Raphael Rowe journeys into the rainforest of Borneo, where he uncovers evidence of palm oil companies cutting down trees illegally and developing plantations on protected land.