The cigarette, it seems, was less about indulgence and more about balance
Many smokers enjoy switching based on mood, occasion, or time of day
Given that one in four Swiss of 15 years or older smokes and cigarette butts are the most littered item in the country, the number of never-retrieved cigarette butts evidently is many times higher
As the study notes, the populations of many countries are aging as part of a global demographic trend with a number of underlying causes
This is no easy task, as such filters must meet several criteria at the same time: to be eco-frendly, to fulfill the filters main task to clean the smoke, be easily reproducible in mass production, have a cost price that will keep them affordable to consumers