I just read this little Andy Rooney-esque rant on wired: [LINK]. It ends with a good line: "The world is noisy enough without adding completely useless aural pollution to the mix. So knock it off, wouldja?"
I agree. Noise pollution is out of control, both inside and outside cities. Living in LA has been a loud 4 years. Whenever I get away from the constant cacophony of loud, distracting noises, I am berated by a not-quite-white noise the fills the background. I live near the intersection of I-405 and I-10, and there the background drone is constant. At 4:00AM I wake up and hear traffic. At 9:00AM I wake up and hear traffic. The only relief is from other, louder noises.
That is all. We should learn to be quieter in all respects.