First facts : water in our world

"Describes the sources of freshwater on the earth and ways people can conserve water"--Provided by publisher.

Explores aspects of water conservation including how laws protect water, how businesses save water, how cities save water, and steps to saving water at home. Features a simple hands-on activity for removing salt from water and includes a glossary and resources for more information.

Describes how cities treat freshwater so that it is safe to drink.

Describes the Earth's water sources, salt water, and freshwater.

Explains the stages of the water cycle and how the water cycle impacts the earth's water supply.