References
Passive solar:
- <ref name=thorpe2018>Passive Solar Architecture Pocket Reference. D Thorpe. Earthscan from Routledge, 2018</ref>
- <ref name=bainbridge2011>Passive Solar Architecture: Heating, Cooling, Ventilation, Daylighting and More Using Natural Flows. D Bainbridge, K Haggard. Chelsea Green Publishing, 2011</ref>
Earth shelter:
- <ref name=roy2006>Earth-Sheltered Houses: How to Build an Affordable Underground Home. R Roy. New Society Publishers, 2006</ref>
Horticulture:
- <ref name=rhs2002>Encyclopedia of Gardening. Royal Horticultural Society. Dorling Kindersley, 2002</ref>
- <ref name=pike2011>The Fruit Tree Handbook. B Pike. Green Books, 2011</ref>
- <ref name=crawford2016>Creating a Forest Garden: working with nature to grow edible crops. M Crawford. Green Books, 2016</ref>
- <ref name=></ref>
To do
- Fix all the confusion between passivhaus and passive solar design. See Sustainable_architecture#Categorisation_of_sustainable_architecture; Ultra-low energy house (?);