Close your eyes and open your ears. What do you hear? Do the sounds you hear bother you? And, more importantly, do you have control over those sounds? As more and more the population migrates to urban environments - the urban population of the world has quadrupled since 1960. In fact, unwanted noise has become an increasingly critical problem. Join Glad You Asked host Joss Fong as she explores how noise pollution is becoming an ever greater concern for our health, how the negative effects of noise are unequally distributed, and how we can learn to find peace.