11th
From a Financial Times interview with Jared Diamond,
“There is a parallel based on the same fundamental mechanisms of the economic collapse that we’re seeing now and the collapse of past civilisations such as the Maya,” he continues. “The message is that when you have a large society that consumes lots of resources, that society is likely to collapse once it hits its peak.”
…
“If we continue to operate non-sustainably, then in 50 or 60 years, the US and Japan and Europe will be in bad shape. But my friends in the highlands of New Guinea will be fine. Some of my friends made stone tools when they were children and they could just go back to what their ancestors were doing for 46,000 years. New Guinea highlanders are not doomed,” he says, draining his pomegranate juice. “The first world lifestyle will be doomed if we don’t learn to operate sustainably.” (Emphasis mine.)
(Via)