An enquiry into noise and its effects on you. Do you work in a noisy environment? Do you have to shout at close quarters to make yourself heard? If you do, you are almost certainly going deaf. The damage that has already been done to your ears is permanent. You may not notice it at the moment but, by the time you are 60, you will have difficulty using the phone, talking to people - and watching television. But you cannot claim it as an industrial injury. With the speed at which social attitudes are changing, noise as a constant and unavoidable feature of our daily lives is rapidly becoming the most important environmental issue. Something can be done - but at a price. The RB 211 could solve the problem of aircraft noise-but it broke Rolls-Royce. Are you prepared to pay the price? What are your priorities? Writer and producer SIMON CAMPBELL-JONES