Desert Tech

Desalination Process (4:37); Ancient Desert Life (5:18); Early Settlers in the Arizona Desert (4:49); Climate Change in Phoenix, Arizona (6:47); Ultimate Desert Dwellers (3:08); Desert Survival (4:14); Desert Rescue Missions (3:57); Search and Rescue Aids (3:57); Producing Solar Energy (4:09); Solar Energy in Space Exploration (3:38);