The science and study of the effect of environmental factors on living. Includes guidelines for determining the best location and direction of your home and workplace; where the rooms in your home should be to best facilitate energy flow; and how to create a garden that will bring positive energy and good luck into your home.

Includes two major schools of thought. The Form School examines the shape of the land, the shape of your building, and even its direction in relation to the land around it.

The Compass School is based on the pa-kua, an octagonal symbol surrounding the famous yin-yang. Each side is related to one of the eight trigrams from the I Ching, and is related to certain energies. If you are planning a house, you can put a pa-kua over the plans and determine which direction your home should face and the best way to arrange the rooms.