On: Why Singapore banned chewing gum

[sosborn]

I'm not sure if you've spent any significant time in Japan, but this is certainly not the case for cigarette butts.

[kstenerud → sosborn]

I couldn't speak for Tokyo, but it is in Nagoya and many of the smaller townships. There was a massive "smokin' clean" campaign a few years ago, accompanied by sales of portable ashtrays.