1 What price do we pay for an overpopulated, over-industrialized planet? 2 What are the four ways you can deal with rubbish? 3 What threatens to overwhelm us? 4 Do we need to produce larger quantities of cheap food? 5 What farming methods produce cheap meat ---- beef, pork and chicken? 6 And what produces cheap grain and vegetables? 7 What have Mad Cow Disease, salmonella and listeria got in common? 8 In a recent survey, which noise was rated the highest form of noise pollution? 9 When do a lot of people object to mobile phones? 10 What was a rather old-fashioned source of noise that the survey revealed? 11 Who are the worst offenders? 12 What percentage of men snore? 13 And according to the survey, what percentage of women snore regularly?