Human Needs and Sustainable Cities: Understanding Systems Gwendolyn Hallsmith City of Montpelier.

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Presentation transcript:

Human Needs and Sustainable Cities: Understanding Systems Gwendolyn Hallsmith City of Montpelier

What is a system?

Behavior Over Time

Feedback

Stocks and Flows Water flows in Water flows out

Stories, Diagrams, and Leverage Archetype Stories illustrate patterns of behavior Diagrams help describe the underlying system dynamics Leverage points demonstrate effective interventions Change Describe Understand

archetypical behaviors  patterns of feedback and response  clues to leverage points  cyclical/holistic cause and effect

feedback loops A B B A

Linear Behavior Over Time

Per Capita and Average Water Consumption: Calgary

reinforcing loops + +

Exponential Behavior

balancing loops

Goal-Seeking Behavior

Male & Female Life Expectancy in Alberta

Exponential/Goal-Seeking

Glacial Water Supplies

intelligence pays

strategic democracy

limits to growth

fixes that fail

worst first

shifting the burden

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?