Or even a new ice age. The situation is definitely dangerous. As long as the processes are not sufficiently understood, we must try to stay on the safe side Cars make noise. People move away from busy streets, so formerly elegant homes turn to slums, which attract prostitution and crime. And those idiots who floor the accelerator, just to perform a sliding stop at the next intersection.
Cars are dangerous .
Lives and livelihood are lost to car accidents, not counting pain and grief caused by destruction, injuries, and death. Space A car wastes an awful lot of precious space. Space, which could be inhabited by plants and animals. Space, which could provide social contacts. Imagine riding a bicycle in the city, and you see a friend on the sidewalk.