1. Water Water Everywhere!
but not a drop to drink ?
Rippling Water
(Basic)
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Dr. Ruthanne “Rudi” Thompson
UNT Associate Professor
Biology & Environmental Science
Principal Investigator: Dallas EEI

2. Water and Life The amount of water is stable.
It is found in different forms.
It is necessary to sustain all forms of life.
Thompson

3. What does this mean?
There are approximately 326 million trillion gallons of water on Earth
98% is in the oceans
1.6% is in polar ice caps and glaciers
.36% is groundwater
.036% is in lakes and rivers
remaining .004% is in clouds, living things, in our foods, bottled water, etc.
Thompson

4. Life and Water Population is NOT stable.
Urbanization alters the natural water cycle.
It is possible to run out.
Thompson

5. What the Data Tells Us Average Population growth rate = 1.17%
average of 82 million people per year
Current world population 7+ billion
Expected Population of 9+ billion by 2050
Thompson

6. A Growing Gap
Average family of 4 = 400 gallons a day of which 70% is used indoors
Thompson

7. Remediation
"In the end, we will conserve only what we love, we will love only what we understand, and we will understand only what we are taught.“
Baba Dioum
Dallas Environmental Education Initiative
Beginning 2006
In class hands-on, inquiry-based water conservation lessons
45,000+ students
98.7% commitment to water conservation
Thompson

8. Results
– largest decrease in water use occurred in Zip Codes that received education (p<.001, ANOVA)
2011 – Education zip codes used statistically significantly less water when compared to control zip codes (p<,001, t-test)
Twice is nice but thrice??
Ongoing research
Thompson

9. Thank you to the Science Education Research Team!
Alice Coe; Victoria Faubion; Christina Reeder; Leslee Moorehead; Shane Heffley
Thompson