The document discusses various passive design strategies for coping with hot climates. It describes techniques for dwellings including having compact designs, thick walls, light colors, mutual shading, courtyards, mashrabyyah screens, and underground structures to protect against solar radiation. It also discusses methods for modifying indoor temperatures such as evaporative cooling with fountains and pools, wind scoops, trees and vines for shade and transpirational cooling, and cross ventilation through openings on opposite sides of buildings.