Reviews experimental data on various aspects of climate control. Includes a discussion of (1) the physics of cloud seeding, (2) the applications of cloud seeding, and (3) the role of statistics in the field of weather modification. Bibliography. (LC)

Designing and planning Asian school buildings with regard to sunshading and the aid of a heliodon is discussed, describing what it is, how it is used, what it is used for and how to calibrate with it. Charts, drawings and reference list are included. (TG)

Solar heat gains (radiation) and its effects on the building environment are discussed, in conjunction with the proper and improper use of large glass areas in the exterior walls of buildings in North America. The difficulties of solar heat gain and of controlling natural light and glare are outlined and said to influence building comfort and air…