William M.C. Lam
SunLighting as formgiver for Architecture

Van Nostrand Reinhold Company
ISBN 0-442-25941-7

Artificial lighting is the major energy user in many of today’s buildings, accounting for about 50% of the energy consumed in a typical office building.
Lighting and it’s attendant cooling load, represents a large portion of the building’s operation costs.

The issue of using the earth’s finite supply of stored energy has been raised above simple economics to become a moral issue.