@neauoire I think it would be easier to get people to install solar panels than getting them to care for a garden (if one can even be setup on their roof).
I also think you can do it more efficiently if you centralize it a bit.
But I absolutely recognize that it complicates things and has some downsides.
Merveilles is a community project aimed at the establishment of new ways of speaking, seeing and organizing information — A culture that seeks augmentation through the arts of engineering and design. A warm welcome to any like-minded people who feel these ideals resonate with them.