Selasa, 16 Desember 2014

~ Download Ebook Hydrosphere: Freshwater Systems and Pollution (Our Fragile Planet), by Dana Desonie

Download Ebook Hydrosphere: Freshwater Systems and Pollution (Our Fragile Planet), by Dana Desonie

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Hydrosphere: Freshwater Systems and Pollution (Our Fragile Planet), by Dana Desonie

Hydrosphere: Freshwater Systems and Pollution (Our Fragile Planet), by Dana Desonie



Hydrosphere: Freshwater Systems and Pollution (Our Fragile Planet), by Dana Desonie

Download Ebook Hydrosphere: Freshwater Systems and Pollution (Our Fragile Planet), by Dana Desonie

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Hydrosphere: Freshwater Systems and Pollution (Our Fragile Planet), by Dana Desonie

Earth is the water planet, but only a tiny amount of the planet s water is fresh and usable, and water pollution has become a monumental dilemma as we enter the 21st century. Though developed nations now regulate some pollutants and as a result their waterways are cleaner, new chemicals are increasingly being released into the environment, resulting in a toxic soup that may be causing cancers, development problems, and other concerns in people and wildlife. And besides pollution, overfishing and engineering projects are destroying freshwater ecosystems. Hydrosphere is a concise examination of the pressing issues affecting our water supply. This potently written and illustrated 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.

  • Sales Rank: #3564313 in Books
  • Published on: 2007-10-01
  • Original language: English
  • Number of items: 1
  • Dimensions: 9.43" h x .67" w x 7.65" l, 1.45 pounds
  • Binding: Library Binding
  • 194 pages

About the Author
Dana Desonie, Ph.D., has written about the earth, ocean, space, life, and environmental sciences for more than a decade. Her work has appeared in educational lessons, textbooks and magazines, and on radio and the Web.

Most helpful customer reviews

0 of 0 people found the following review helpful.
Hydrosphere: Freshwater Systems and Pollution
By Lois Spangler
Our Fragile Planet Hydrosphere: The Land and Its Uses
Author: Dana Desonie, Ph.D.
Grade:6-12
Each book in the Our Fragile Planet series focuses on the causes and effects of climate change and human impact on the atmosphere, biosphere, climate, geosphere, the natural environment, hydrosphere, oceans, and polar regions. Each fact-filled book includes photographs, charts, and graphs along with a glossary, an index, and references for further reading. The information found in this series will engage childrenâ(tm)s curiosity and provide them with a sense of stewardship.

This volume defines the term hydrosphere and describes human uses and abuses of inland waterways, discussing the planet's fresh water and how people use it. Readers will find information about the water cycle, surface waters, surface water resources, and ground water and its use. Part two looks at pollutants that are introduced into fresh water, and part three traces the history of pollution in the Great Lakes. It also discusses clean-up options. Excellent background material is provided on each topic.

This thought-provoking book will make children and adults view our fragile planet in a new way. Written for students in grades 6 through 12, it could also be read by some elementary students. It would also be an excellent reference book for teachers. Teachers using differentiated instruction would find this book very useful.

edconnectionsllc.com

0 of 0 people found the following review helpful.
This book is a wonderful resource for those interested in where "freshwater" comes from ...
By Garry W. Owens
This book is a wonderful resource for those interested in where "freshwater" comes from and how it is used! A great primer for people of all ages!

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