Dave’s talk on the evening of January 20 was a great introduction to this topic. He started by showing a chart plotting the “industrial ascent” of human civilization as fueled by cheap fossil fuels, growing populations and profligate pollution and waste. (See the yellow line in the chart; based on a diagram originally by David Holmgren (http://futurescenarios.org.)
Dave’s quick historical overview started with tribal commons in the prehistoric era, a time when people self-organized to obtain enough food and shelter to survive. Societies began to take the shape of feudal commons in Roman and Medieval times, at least in England and Europe. Lords owned the land and claimed privileged access to certain resources of the landscape while allowing commoners to manage other resources themselves.
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