[contentcards url=”https://reason.com/2021/07/02/to-stop-climate-change-americans-must-cut-energy-use-by-90-percent-live-in-640-square-feet-and-fly-only-once-every-3-years-says-study/?amp&__twitter_impression=true” target=”_blank”] By RONALD BAILEY Researchers admit there are absolutely no current examples of low-energy societies providing a decent living standard for their citizens. Examples…