Permaculture Tip of the Day - Greenhouse/Biogas Digester/Root Cellar/Living Roof

Check out this multi-functional building that Sandy McPherson and Alan Philip put together. This building, made from the clay excavated from a water storage project on the same site, is a solar greenhouse with a thick wall between the sun side and shade side to provide a cold storage root cellar. Along with the solar panels on top is a living roof and there is also a heat exchanger inside that connects the greenhouse to the biogas digester. If this isn't permaculture function stacking, what is?
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WE LOVE YOU - THANKS SO MUCH FOR WATCHING!

[@j.hanleysmith8333]

thanks for what you do

[@garrettduran1067]

really cool system that’s awesome that you can produce your own fuel!!

[@itanc1]

Love this system. I’m curious, how to you seal around the stirrer driveshafts and what is the advantage of the first tank? Cheers. Tanc

[@extendedp1]

Would like to have gotten more info on the compression of the gas.

[@354133]

I wanted to see the root cellar and I got nothing!

[@jessicamckinley881]

how do you learn how to build this system?

[@eueueu91]

Before I even watch the whole thing, some feedback: this is not TV, it's unnecessary to have a 1-minute intro, just cut to the chase.

[@TheDaedalx]

This is a world of commerce. RUclips used to be my escape from that world but it soon found us and has taken over.