In the 1970s, global political and corporate elites had all the information they needed to put the world on a path toward long-term stability. Systems science was sufficiently advanced that a team of its practitioners organized a scenario study to see how trends in industrial production, population, food, pollution, and resource usage might interact over the next few decades; the study showed that continued growth in population and industrial production would prove unsustainable. Political scientists were beginning to sort demographic, economic, and historical social data for clues to understanding why societies sometimes descend into internal violence; data seemed to show that there was a rough correlation between rising economic inequality and declining social stability. Also, the science of ecology was revealing that forest, ocean, desert, freshwater, and soil ecosystems are inherently complex and resilient, but that they are subject to catastrophic tipping points when subjected to high enough levels of pollution or loss of habitable space. It was clear what should be done in order to put society on a sound footing: discourage population growth, cap the scale of industrial production, reduce economic inequality, clean up past pollution, reduce current and future pollution, and leave plenty of space for nature to regenerate.

Elites didn’t do those things. Initially, during the Nixon and Carter years, US politicians enacted some thoughtful, far-reaching policies. Then, increasingly, and regardless of the party in power, they simply found excuses to stop pressing ahead or to backtrack. They set their pet economists to work writing books and reports insisting that growth is always good; that economic inequality is excusable because eventually the wealth of the few will surely “trickle down” as benefits to the many; and that, in President Ronald Reagan’s feel-good but tragically misleading words, “There are no such things as limits to growth, because there are no limits to the human capacity for intelligence, imagination, and wonder.”

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