Over the 19th and 20th centuries physical power, social power, and economies grew explosively. The main cause was humanity’s exploitation of fossil fuels. Sources of oil, coal, and natural gas – a vast underground storehouse of ancient sunlight – provided an almost magical and seemingly unlimited supply of energy to grow more food, provision more people, build more cities, and create more technologies. But this age of "more" also brought global warfare, consumerism, and overproduction. Improv...
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