200: Total potential improvement, in percent increase, of AirPods Pro (2nd generation) for noise cancellation
30: Number of years during which it is estimated that noise pollution increases two-to-threefold
65: Percent of Europeans estimated to be living with hazardous noise levels
Originally published in the September 20, 2022, edition of the This Week in Sound email newsletter. Get it in your inbox via tinyletter.com/disquiet.