[hahla]

Curious if you could replace a backyard patio with a sunken greenhouse. You can harvest year round, small backyards could still utilize the space as a patio if the greenhouse is covered in thick enough glass panels, and if functional it would look nice.

[hosh]

Earthship designs involves an integrated greenhouse, which helps passively regulate the interior, as well as part of the greywater treatment system.

Use of greenhouses, sunken or not, is one of the permaculture design patterns.