3. China’s Yellow River:
http://video.nytimes.com/video/2006/11/17/world/1194817103057/china-s-
yellow-river-part-1.html?scp=3&sq=water%20pollution&st=cse

4. Estuary in South Carolina
Need for fresh water
Americans use 100 gallons of H2O/day Africans & Asians walk 4 miles/day for H2O

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http://environment.nationalgeographic.com/environment/freshwater/water-conservation-tips/

6. http://environment.nationalgeographic.com/
environment/freshwater/water-footprint-
calculator/

7. American’s Drinking Water (Chapter 6, “What we don’t know”):
http://www.pbs.org/video/video/1114515379/subject/957383555

8. •
•

9. http://environment.nationalgeographic.com/
environment/freshwater/freshwater-101-
interactive/

10. ~3% of Earth's total water supply is fresh H2O
69% of fresh H2O locked in ice sheets
Fresh Water 30% of fresh H2O concealed deep underground
1% of fresh H2O is available to humans

11. Fresh Water
Surface and
Atmospheric
Water
Total Water

14. Saving Lake Erie:
http://video.nationalgeographic.com/video/player/environment/habitats-
environment/freshwater/lake-erie.html

15. Groundwater is the supply of fresh
water under Earth’s surface that is
stored in underground aquifers.

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19. American’s Drinking Water (Chapter 11, “Save the forest, save the water”):
http://www.pbs.org/video/video/1114515379/subject/957383555

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23. • http://video.nationalgeographic.com/video/player/
environment/going-green-environment/conservation-in-
action/glen-canyon.html
•
Utah Colorado
Hoover Dam
Glen Canyon Dam
Grand Canyon
Arizona New Mexico
•

24. Lake Mead
The Hoover Dam
Colorad
o River

25. • •
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26. • •

27. • •
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28. Old shower heads
draw 5 gallons /
minute
Newer water-saving
heads draw 2.5
gallons / minute
Water Woes in Delhi, India:
http://video.nytimes.com/video/2006/09/28/world/
1194817098866/part-1-water-woes-in-india.html?
scp=1&sq=water&st=cse
How to Conserve Water at Home:
http://www.howdini.com/howdini-video-6697139.html
Gray water is water that has already been used in
bathroom sinks, showers, washing machines, and
dishwashers that is collected and then reused to flush
toilets, water lawn, wash the car.