Real solutions to real environmental problems. **A Sally Ride
Science book.
**
Part of a series that teaches readers how to live green, Clean Water
describes how water is used and what can be done to protect this
precious resource. Learn about developing technologies for recycling and
desalinating water that are helping to bring clean water to people all
over the world.
Packed with full-color illustrations, this is middle-grade nonfiction at
its most informative and instructive.