Geography B Exploring Planet - Water World
- Created by: Carra Wilson
- Created on: 08-06-11 20:11
Topic Four- Water World
Why should we be concerned about water?
Value to humans
- 60% of your body is made from water
- 70% of your brain is made from water
- 80% of you blood is made from water
- Your body cant survive one week without water
Scarcity of Freshwater
- It covers most of the planet just 3% is fresh
- Less than 1% of all fresh water is readily accessible
- 0.007% is available to drink
Population Growth
- In the 20th century the world population tripled
- The use of water grew 6 times
- By mid-century there will be an additional 3 billion people
Agricultural demand
- Grain defeats increases prices, rapid increase of disease and starvation
Industrial Development
- Factories using water e.g. Paper Mill
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Rising Living Standards
- ¼ of all clean water is used to flush the toilet
- A single load of laundry is 40 gallons
Growth of towns and cities
- Due to over- pumping the groundwater is rapidly running out
Climate Change
- Hotter climate means more droughts
- Increase flooding
- No clean accessible water
Unequal access to clean water
- Poor countries = 3 gallons
- Rich countries = 160 gallons
- 1 in 3 people lack access to adequate sanitation
- 1 in…
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