Sustainability What is sustainability? Why do we need to ...
Transcript of Sustainability What is sustainability? Why do we need to ...
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James McKellar 1
Sustainability
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What is
Sustainability?
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WATER SHELTER FOOD
The Sustainability Pyramid
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WATER SHELTER FOOD
ENERGY EDUCATION COMMUNICATIONS
The Sustainability Pyramid
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WATER SHELTER FOOD
ENERGY EDUCATION
FREEDOM HEALTH
COMMUNICATIONS
The Sustainability Pyramid
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Housing
8%
Home
Energy
18%
Transport
15%
Food
23%
Consumer
Goods
14%
Ecological footprint of an average resident
78 percent fall under personal choice
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With only 5% of the global population, we use 30%
of the world's natural resources (North America)
Rest of the world
What happens if the rest of the world wants what we enjoy?
5% 30%
What’s left
for others
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James McKellar
Energy Use
8
Kg of oil equivalent per person/year
(World Bank, 2012)
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James McKellar
CO2 Emissions
9
metric tons per person/year
(World Bank, 2009)
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How the world might perceive our life style
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How many people in the world live
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97.0% Seawater- not drinkable
2.5% Fresh
Water/Frozen
0.5% Fresh
Water/Available
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
USA Canada India China Sweden Denmark
We need two litres of drinking water each day to survive
Total water withdrawal in litres per person per day
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Global Average Water Footprint
15,415 litre/kg
Meat
822 litre/kg
Apples
237 litre/kg
Lettuce
How many people could this
provide drinking water for?
On average, one apple
(150 gram) requires 125
litres of water
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Why must we be more sustainable?
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How do we become more sustainable?
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