niceguyanon comments on Why is it rational to invest in retirement? I don't get it. - Less Wrong Discussion
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Can you link me to this? I searched but could not find what you are talking about.
It's a reference to 'em cities', where the limiting resource will be a combination of electricity generation + cooling. Scandinava has dams and geothermal energy so cheap electricity (think why Iceland has aluminum smelters) but also cold weather and even colder oceans, so cheap cooling.