Earlier quoted context omitted.
Its almost like we're going to fix the climate change issue, slowly (ramping up quickly)....by sheer luck of technological advancement.
This is what happened during the Great Horse Manure Crisis of 1864[0]. Cities like New York and London were drowning in manure from all the horse-drawn carriages, which caused major health issues. No one could find a solution until Henry Ford came up with a process to build affordable cars and made horse-drawn carriages obsolete. [0] http://www.historic-uk.com/HistoryUK/HistoryofBritain/Great-...
Interestingly, I read it in a Theodore Roosevelt biography, but dug the numbers back up on the internet. In Boston circa 1870, the density of horses was around 700 per square mile.