Although plastic particles in the air are increasingly coming into focus, knowledge about their distribution and effects is still limited. Chemical analyses from Leipzig now provide details from Germany for the first time: Around 4% of the particulate matter consists of plastic. Around two-thirds of this comes from tire abrasion.
you know what happens when more people live together in one place and there are enough jobs for all the people living there? it becomes a city (it doesn’t need to be big, it only needs a lot of cars)