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This is cool. I also read China is coming up with interesting designs for winter greenhouses which maintain above freezing temps using only solar radiation and in some pretty far northern latitudes https://www.motherearthnews.com/organic-gardening/chinese-greenhouses-for-winter-gardening-zm0z17amzmul/
Meanwhile some countries are actively working against it:
US and its posse working against the interests of humanity, say it ain’t so.
