(...) So far, modern Western societies have largely been able to postpone similar precipitators of collapse through fossil fuels and industrial technologies – think hydraulic fracturing coming along in 2008, just in time to offset soaring oil prices. Tainter suspects this will not always be the case, however. “Imagine the costs if we have to build a seawall around Manhattan, just to protect against storms and rising tides,” he says. Eventually, investment in complexity as a problem-solving strategy reaches a point of diminishing returns, leading to fiscal weakness and vulnerability to collapse. That is, he says “unless we find a way to pay for the complexity, as our ancestors did when they increasingly ran societies on fossil fuels.” (...)
Read more @ http://www.bbc.com/future/story/20170418-how-western-civilisation-could-collapse