Global warming is a hot-button topic and has far-reaching consequences. Two of those consequences may be increasing desertification and drought around the globe. Researchers are racing to come up with ways to conserve water. Clean drinking water is already scarce in some parts of the world, and disputes over water rights create potential for conflict. Water, or the lack of it, impacts farming and world food supplies. Can science come up with answers to the problems affecting our most precious resource?
About the Author
Michael Burgan has been writing about America, immigration, religion, famous Americans, sports, and many other subjects for children and young adults for more than 20 years. His work has been published in The New York Times and Sports Illustrated for Kids. A former writer for Weekly Reader Corporation, he has developed online resources and produced educational materials to be used by teachers in the classroom. Burgan is also a playwright and currently lives in Chicago.
Table of Contents
Message From the Consultant 8 North America's Watery Backbone 9 Timeline of Water-Related Milestones 10
1 Water Everywhere 12 Looking for answers Big help from tiny tubes Why water matters The water cycle Studying water Accidental science
2 Warming Water 20 Greenhouse gases and the oceans Oceans in motion Clues from the past Studying decay
3 Disappearing Water 28 Short supplies Tracking drought from space The human factor A day for water Drought or new desert?
4 Supply and Demand 36 Irrigation drains groundwater Water wars Water consumption in different world regions The search for safer water Water wonders Salt solutions Up on the roof
5 A Continent's Backbone 44 A joint effort Great lakes, huge stakes New water worries
6 More to Explore 50 Earth's last undiscovered region New AUV on the block Preserving a food supply The underwater workhorses Meet a volcanologist What Lies Ahead 58 Glossary 59 Bibliography 60 Further Reading 60 On the Web 60 Index 61 About the Author and Consultant 63 Credits 64