As the industrial revolution took off, more and more people left the land for the unnatural world of the city.
Take the example of Great Britain—home of the industrial revolution—which should be considered a cautionary tale.
Prior to the industrial revolution of the late 19th and early 20th centuries, the carbon dioxide level was about 280 ppm.
The rapid industrial growth that began in England during the middle of the eighteenth century and then spread over the next 50 years to many other countries, including the United States. The revolution depended on devices such as the steam engine (see James Watt), which were invented at a rapidly increasing rate during the period. The Industrial Revolution brought on a rapid concentration of people in cities and changed the nature of work for many people. (See Luddites.)