I make an effort to conserve water. 1.Yes 2.No 3.Sometimes.
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I make an effort to conserve water.
1 2 3
50% 50%0%1. Yes
2. No
3. Sometimes
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Precious Resource
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Water Resources
• Availability.
• Access.
• Use.
• Types of pollution.
• Case study: developed and developing.
• Culture.
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Scale
• Local: creeks and river.
• Regional: Puget Sound and Mississippi Basin.
• Global: Pacific Ocean.
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Water Need
• 1,000 cubic meters/year.
• Growing food.
• Drinking.
• Hygiene.
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Availability
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Availability
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Percent of access to potable water.
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AccessibilityOne billion lack potable water.
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Worldwide Water Use
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Worldwide Water Use
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U.S. Water Use in 2000
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U.S. Water Use
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U.S. Water Use
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U.S. Water Use
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(Some) Pollution Types
• Sanitation.• Agricultural by-product: pesticides and
fertilizers.• Industrial by-product.• Non-point urban runoff: residential and
commercial.• Particulates/sediment.• Trash.
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What do 700 million people in India not have access to?
1 2 3
50% 5%45%
1. Clean drinking water
2. A toilet
3. Sufficient irrigation water
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Ganges River
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Accessibility2.6 billion lack proper sanitation.
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Relative Water Quality
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Pesticides
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Pesticide Use
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Pesticide Use
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Mississippi Basin
Drains 41% of
continental United States.
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Dead Zone: Gulf of Mexico5,800 square miles
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Non-point Source Pollution
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Duwamish River
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Duwamish Watershed
• Capitol Hill to Tukwila to West Seattle.
• 32 square miles.
• 3-5 billion gallons of stormwater/year.
• Sewage enters the river approximately 48 days each year. 250+ million gallons/year.
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Superfund Site
• 5 mile stretch of the Duwamish River.
• Fish and crabs 7x more cancer causing chemicals.
• PCBs in nearly all salmon.
• River bottom exceeds safe standards for heavy metals by more than 400%.
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Duwamish River
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PCBs and phthalates
• PCBs: group of 200+ industrial chemicals used for insolating and plasticizing
• Banned in 1970s
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Eastern Garbage Patch
• Miles long.
• One million pieces/square mile.
• 90% plastic trash.
• 1 million sea birds choked/ tangled each year.
• 10,000 seals, whales, dolphins, and other marine mammals.
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Goals of the Puget Sound Partnership include
1 2 3
20% 10%70%1. Control Invasive
Species
2. Water Quantity
3. Increase recreational use.
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Puget Sound Partnership
Shared strategy for Puget Sound.
Six goals.
Where are we?
Where do we need to be?
How do we get there?