sustainability what is sustainability? why do we need to

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James McKellar 1 Sustainability

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Page 1: Sustainability What is sustainability? Why do we need to

James McKellar 1

Sustainability

Page 2: Sustainability What is sustainability? Why do we need to

James McKellar

• ?

2

What is

Sustainability?

Page 3: Sustainability What is sustainability? Why do we need to

James McKellar 3

WATER SHELTER FOOD

The Sustainability Pyramid

Page 4: Sustainability What is sustainability? Why do we need to

James McKellar 4

WATER SHELTER FOOD

ENERGY EDUCATION COMMUNICATIONS

The Sustainability Pyramid

Page 5: Sustainability What is sustainability? Why do we need to

James McKellar 5

WATER SHELTER FOOD

ENERGY EDUCATION

FREEDOM HEALTH

COMMUNICATIONS

The Sustainability Pyramid

Page 6: Sustainability What is sustainability? Why do we need to

James McKellar 6

Housing

8%

Home

Energy

18%

Transport

15%

Food

23%

Consumer

Goods

14%

Ecological footprint of an average resident

78 percent fall under personal choice

Page 7: Sustainability What is sustainability? Why do we need to

James McKellar 7

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

Page 8: Sustainability What is sustainability? Why do we need to

James McKellar

Energy Use

8

Kg of oil equivalent per person/year

(World Bank, 2012)

Page 9: Sustainability What is sustainability? Why do we need to

James McKellar

CO2 Emissions

9

metric tons per person/year

(World Bank, 2009)

Page 10: Sustainability What is sustainability? Why do we need to

James McKellar 10

How the world might perceive our life style

Page 11: Sustainability What is sustainability? Why do we need to

James McKellar 11

How many people in the world live

Page 12: Sustainability What is sustainability? Why do we need to

James McKellar 12

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

Page 13: Sustainability What is sustainability? Why do we need to

James McKellar 13

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

Page 14: Sustainability What is sustainability? Why do we need to

James McKellar 14

Why must we be more sustainable?

Page 16: Sustainability What is sustainability? Why do we need to

James McKellar 16