How much water is on Earth? This title introduces readers to the different places on Earth water is found. Readers will learn the differences between rivers, oceans, lakes, groundwater, and other bodies of water. Water on Earth in the form of ice is also covered. An activity to help readers understand the concept is included.

Self Supply highlights the approaches used where governments have recognised self-supply, illustrating key technological and socio-economic issues.The book focuses on sub-Saharan Africa where self-supply is especially relevant to the urgent challenge of extending water services to all, as demanded by the Sustainable Development Goals.

Water is beautiful and useful and, in its many forms, vital to life. In this lyrical companion to The Earth and I, Frank Asch encourages young readers to appreciate anew one of our most precious resources.

This text introduces water sources for drinking water supply. Coverage includes the hydrologic cycle, development of water supply sources, raw water quality and characteristics, conservation, and protection of drinking water sources. Part one of a five-book series.

This book addresses the major challenges in assuring globally sustainable water use. It examines critical contemporary and global issues through the lens of global change processes and with a focus on mountain regions. In doing so, it aims to bring state-of-the-art science from numerous disciplines to bear on important environmental and policy questions related to water resources. The volume will be a boon to a range of readers, from environmental scientists to hydrologists.

"A description of the earth's water sources, salt water, and freshwater"--T.p. verso.