23 h 29 min, 31 déc. 1699 ans - At this point in World history. Coal became the most used and popular source of energy.

Description:

With the invention of the steam engine and coal usage rate up higher than ever before the world began to ruin its self with the use of these materials. The air pollution was worse than ever before and the rate of air related deaths was immense. The world had no idea what it was doing and they were destroying there selves.