Transcript Document

Are we getting to big for our house?
House
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Who is getting what?
Global equity
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If everyone lived like us we would need……
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Our economy like a cow???
Metabolism like a cow
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How much is available for everyone?
Bioproductive Segments
Bioproductive segments
22%
67%
LowProductivity
Ocean
4%
Biologically
Productive
Ocean
18%
Biologically
Productive Land
11%
Deserts, Ice Caps
and Barren Land
How much is available for each of us?
Personal planetoid
Global average availability of bioproductive Land +
Sea = 1.9 global hectares/person
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How big is a hectare?
One hectare
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What about land for other species?
People vs. nature
?
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What type of land do we use?
Footprint components
Fossil Fuel Built-up Waste
Food
absorption
Fibres
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How much do we use compared to what we
have?
1.40
# of Earths used
1.20
1.00
0.80
# of Earths available,
representing the total
capacity of the biosphere
0.60
# of Earths used by humanity
0.40
0.20
0.00
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Year
Data for 1999 Eco-Footprint Biocapacity
Footprint data for 8 countries
[global ha /cap] [global ha/cap]
Footprint data for 8 countries
Australia
China
Germany
Italy
Japan
Russia
South Africa
US
7.6
1.6
4.7
3.8
4.6
4.2
4.0
9.6
14.6
1.1
1.8
1.3
0.8
5.1
2.5
5.8
WORLD
2.3
1.9
Calculate you own Ecological Footprint
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