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Human Needs and Sustainable Cities: Understanding Systems

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Human Needs and Sustainable Cities: Understanding Systems. Gwendolyn Hallsmith ... discuss which of these patterns of behavior you have observed in your city. ... – PowerPoint PPT presentation

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Title: Human Needs and Sustainable Cities: Understanding Systems


1
Human Needs and Sustainable Cities
Understanding Systems
  • Gwendolyn Hallsmith
  • Global Community Initiatives

2
What is a system?
3
Behavior Over Time
4
Feedback
5
Stocks and Flows
Water flows in
Water flows out
6
Stories, Diagrams, and Leverage
  • Archetype Stories illustrate patterns of
    behavior
  • Diagrams help describe the underlying system
    dynamics
  • Leverage points demonstrate effective
    interventions

Describe
Understand
Change
7
archetypical behaviors
? patterns of feedback and response ? clues to
leverage points ? cyclical/holistic cause and
effect
8
feedback loops
A
B
B
A
9
Linear Behavior Over Time
10
Per Capita and Average Water Consumption Calgary
11
reinforcing loops


12
Exponential Behavior
13
(No Transcript)
14
balancing loops
15
Goal-Seeking Behavior
16
Male Female Life Expectancyin Alberta
17
Exponential/Goal-Seeking
18
Glacial Water Supplies
19
intelligence pays
20
strategic democracy
21
limits to growth
22
fixes that fail
23
worst first
24
shifting the burden
25
Exercise
  • In small groups, discuss which of these patterns
    of behavior you have observed in your city.
  • Identify one trend that your group can describe
    in terms of the system that might be working
    behind it.
  • Based on the systems thinking, what might be some
    ways you could change the system for the better?
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