The document discusses noise pollution and its effects. It observes how people use public spaces and the influence of sight, sound, and touch on privacy. While sight and physical boundaries have been reduced, sound still carries into private spaces. The document considers the balance between tolerating undesirable sounds and changing one's environment, using graphical representations of positive and negative noise levels. Data on noise from traffic and trees is presented, showing maximum, minimum and average decibel levels as well as variances.