Offers instructions for creating and using a greywater system, and describes how these systems will relieve strain on the septic system while providing irrigation for residential use.

Publisher's description: It is no coincidence that human civilization sprang from river valleys and floodplains. Access to water has been crucial to our food security and to the growth of cities and industries. In recent times, the fortunate have come to take water for granted: endless supplies seem to flow from dams, reservoirs, wells, and diversion projects. But for decades now we have wasted and mismanaged the world's water. Engineering projects,...

Discusses where the worlds water comes from, along with how and why we need to take care of it.

"What happens when flowers are thirsty? And what about frogs and worms? When Winnie and her friend Droplet go for a walk, they find something strange. The flowers can't bloom. The frogs can't croak. And the worms can't breathe! All the water's being wasted and it's hurting nature. Follow the two friends as they find out how humans harm water supplies. And you'll learn what to do to save water too. Can Winnie and Droplet save the flowers, frogs, and...

Experiments and activities help students learn the importance of saving water, explaining the water cycle, groundwater pollution, simple ways they can conserve water, and other related topics.