Moreover, since the early 1990’s, some towns in the desert have been using fog collectors​—large polypropylene nets on which the fog condenses—​to harvest water for drinking and for watering gardens from the low, mist-laden clouds.

[Pictures on page 26]

Fog collector panels, Mejía, Peru

Original Inca canals still function in Ollantaytambo, Peru

[Credit Lines]

© Jeremy Horner/CORBIS; inset: Courtesy of the charity FogQuest; www.fogquest.org