Download or read book Hydrosphere written by Dana Desonie and published by Infobase Publishing. This book was released on 2007 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earth is the water planet, but only a fraction of the planet's water is usable, and water pollution has become a monumental dilemma as we enter the 21st century. This book explains how society needs to adopt a precautionary principle in water matters by better understanding the consequences of their actions before, not after, those actions occur.