There is always an alternative when challenges arise, if probably, motorized vehicles are banned around the world, humans will fall back to the natural ways of transportation which is already in history. Secondly, while managing animals for short periods of time, new technologies will set in to provide solutions and the world will also have to experience healthy environments due to the new changes.

Nice input!
Thank you for inviting me, I have already shared my thoughts on this topic. Many success to you in the contest!