WATER USE AND MANAGEMENT

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Presentation transcript:

WATER USE AND MANAGEMENT CHAPTER 11, SECTION 2: WATER USE AND MANAGEMENT

Industry WORLDWIDE - MORE WATER IS USED FOR AGRICULTURE, EXCEPT IN EUROPE WHERE MORE IS USED IN WHICH WAY? Industry

8% What % of water is used in the U.S. for agriculture? Answer 45% It takes about 2,000 gallons of water to produce a steak. How is that possible? Raising the cow. On average what % of water is used for residential use globally? 8%

RESIDENTIAL WATER USE Where is most water used residentially in the USA? Watering lawns and filling pools

Drinking Water Treatment Safe drinking water is POTABLE water. Water treatment removes toxic elements due to pollution. Water treatment removes PATHOGENS like bacteria, viruses ,protozoa and parasitic worms. (California now converts raw sewage to drinking water). (See video) http://www.youtube.com/watch?v=6bk6PEz2QF8 Would you drink this water?

Drinking Water Treatment http://thewaterproject.org/bottled_water.asp?gclid=CPLsuvns3KUCFRZ-5QodbyIm2Q Bottle water video 8 min Open to Figure 6 and draw the process.