Guardian: Sales of organic food, drink and other products slumped by 12.9% in the UK last year as producers battled against a downturn in consumer demand and the worst trading climate for 20 years, new figures reveal today. Cost-conscious shoppers turned their backs most decisively on organic fruit, vegetables, meat and bread, where the price differential with the non-organic equivalent has traditionally been the biggest. Home delivery organic vegetable and fruit boxes also fell out of favour, …