Worst than particle pollution on a day-to-day basis is the noise pollution. Big/Sport motor bikes and car horns should really be regulated inside cities, they m

Worst than particle pollution on a day-to-day basis is the noise pollution. Big/Sport motor bikes and car horns should really be regulated inside cities, they make everything more stressful. They installed a new sound on public buses, which sounds like a nice old bell and is less noisy than the usual car horn. It should exist on all cars. Seriously, no one gives a f* than someone is stuck in traffic, and yet it alerts everyone on a 200 meters radius, which is many people in a city's density.