Major events pre dating 1750

Coal contains much higher levels of energy per given weight than equivalent amounts of renewable biomass (wood).

Exploiting coal on a large scale, humans were able to burst through the ceiling on economic growth that had been in place since the modern human species appeared about 200,000 years ago.

At the start of Big Era Seven, world coal output per year was less than 10 million metric tons.

The modern revolution involved numerous interacting developments.

Six interrelated factors were particularly important: First, a revolutionary transformation occurred in human use of energy.

The fossil fuel era had begun, and this is the era we still live in today.

By the early nineteenth century, the harnessing of steam power enabled humans to vastly multiply the energy generated from burning coal, thereby greatly expanding the amount of energy available to humans per capita, that is, to each individual.

Once autocatalytic processes got going, they tended to speed up.

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