A nice article about scientific experiments in sustainable living from the 1970s.
They fizzled out unfortunately, like a lot of sustainability activity during the 80s and 90s, but might be ripe for revisiting.
One line stuck out, describing the lifestyle: "it almost looks like a parody". Funny how happy, healthy living has become that...
https://www.theguardian.com/lifeandstyle/ng-interactive/2019/sep/29/the-new-alchemists-could-the-past-hold-the-key-to-sustainable-living