Organic foods could be a key for developing countries, hemmed in by the protectionism of the industrialised world, to open a space in the global market, say United Nations experts. The market for organic foods and beverages - that is, produced without pesticides, herbicides or chemical fertilisers - is growing rapidly in most industrialised countries, and even in some developing countries, says Rudy Kortbech-Olesen, of the International Trade Centre (ITC), a UN agency.