Freshwater, How do we get fresh water?

How Can We Provide Freshwater to Those in Need?

Finding A Homestead Location with Good and Sufficient Fresh Water

Freshwater, How do we get fresh water?

Freshwater, How do we get fresh water?

Could We Find Tomorrow's Water Supply Under the Ocean?

Protecting freshwater ecosystems

It's Time to Protect Fresh Water for People and Nature

Freshwater Resources Chapter 4, Lesson 3. Where do we get our water from?  Running water  Standing water  Reservoirs: man-made lakes used to store. - ppt download

Our Planet Freshwater

U.N.: 1 in 4 people around the world do not have clean drinking water : NPR