Kallen, Stuart A., 1955- author.
San Diego, CA : ReferencePoint Press, Inc., 2018.
80 pages : color illustrations ; 24 cm.
Clean water in a dirty world — How clean water is provided — Pollution, waste, and drought — Transforming seawater to freshwater — Recycling wastewater — Transporting water.
Freshwater makes up only one percent of all water on Earth but rivers, lakes, and aquifers are under threat from pollution, drought, and overuse. This book covers the cutting-edge research of scientists and engineers who are developing new techniques for desalination, wastewater recycling, and other technologies meant guarantee humanity s freshwater needs in the future.