A former UN worker and prominent architect, Johan van Lengen has seen firsthand the desperate need for a "greener" approach to housing in impoverished tropical climates. This comprehensive book clearly explains every aspect of this endeavor, includingdesign (siting, orientation, climate consideration), materials (sisal, cactus, bamboo, earth), and implementation. The author emphasizes throughout the book what is inexpensive and sustainable. Included are sections discussing urban planning, small-scale energy production, cleaning and storing drinking water, and dealing with septic waste, and...