One in five rivers in England and Wales does not meet the water quality levels according to DEFRA. Charlotte Smith hears from the Angling Trust who say diffuse pollution caused by farmers is a major factor and finds out what's being done to improve the situation. Sixty sheep are being herded to Savile Row in London today - home of bespoke tailoring - to sell the virtues of British wool for suits. Charlotte hears why. Produced by Anne-Marie Bullock.