Sustainable Water
Sustainable Water
$28.00
MAYER. Mayer, Lars
Pap. Zrich, 2008
Book ID: 79272
The story of Lars Mayer's development of an inexpensive and close to foolproof process for purifying drinking water in Bangladesh, using the seeds of a fast-growing tropical tree and indigenous pottery making. German/English.
128 pp., 20 B&W illus.