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Keith G. Tidball

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Cities are embedded in the natural environment - the geology, watershed, climate and biodiversity ... and over every creeping thing that creepeth upon the earth. – PowerPoint PPT presentation

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Title: Keith G. Tidball


1
Keith G. Tidball Cornell University Green
Cities CRP 384/584 Nature in The City
2
  • The battle to save the worlds remaining healthy
    ecosystems will be won or lost not in the
    tropical forests or coral reefs that are
    threatened but on the streets of the most
    unnatural landscapes on the planet.
  • Christopher Flavin, president of the
    Worldwatch Institute

3
According to Webster-SAVE is a
VERB saved , saving , saves To rescue from
harm, danger, or loss. To set free from the
consequences of sin redeem. To keep in a safe
condition safeguard. To prevent the waste or
loss of conserve. To set aside for future use
store. To treat with care by avoiding fatigue,
wear, or damage spare save one's eyesight.
4
Saving Mother Earth
5
And God said, Let us make man in our image, after
our likeness and let them have dominion over the
fish of the sea, and over the fowl of the air,
and over the cattle, and over all the earth, and
over every creeping thing that creepeth upon the
earth. Genesis 126 KJV
http//bibletools.org/index.cfm/fuseaction/Topical
.show/RTD/cgg/ID/2163/Dominion-over-Animals.htm
6
Paradigm Problems
  • Both the dominion paradigm and the save earth
    paradigm suffer from anthropocentric bias.
  • Both fail to see systems and ecological process
    as operating before, during, and perhaps long
    after the appearance of humans.

7
Cartesian Dualism
  • These Paradigm Problems reflect the 17th
    Century philosophy of Cartesian dualism - the
    dichotomous separation of humans from nature.
  • Urban NatureOXYMORON?

8
Systems Thinking
  • System Dynamics entails making three fundamental
    shifts of mind relative to traditional ways of
    thinking.  
  • From linear, laundry list thinking to a circular,
    closed-loop view of causality.
  •  
  • From an external to an internal focus on
    performance how we, not others, are responsible
    for results.
  •  
  • A focus on an operational view of how things
    work in contrast to analysis methods based on
    statistical correlation of past trends.
  •  

RJ Walkers adaptation of Barry Richmond. An
Introduction to Systems Thinking, iThink 4.0
documentation, High Performance Systems Inc.,
Page I-12.
9
Systems Thinking
  • Systems dynamics thinking gets a lot of its
    power from a 'feedback' perspective -- the
    realization that tough dynamic problems arise in
    situations with lots of pressures and perceptions
    that interact to form loops of circular
    causality, rather than simple one-way causal
    chains.

George Richardson. System Dynamics in an
Elevator.http//www.stewardshipmodeling.com/Syste
m20Dynamics20in20the20Elevator.htm
10
Remember This?
In Western culture, the dichotomy of good and
evil is often taken as a paradigm for other
dichotomies. In Hegelian dialectics, dichotomies
are linked to progress. In Chinese philosophy
dichotomies are linked to cyclical processes
rather than progress1.
  1. http//en.wikipedia.org/wiki/Yin_and_yang
  2. For a full discussion of the taiji or Yin Yang
    symbol, see http//home.att.net/numericana/answer
    /symbol.htmtaiji

11
Some paradigmatic dichotomies may be
self-defeating circular processes, or may not
lead to progress without an event to move the
flow of energy within the process.
12
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13
Paradigmatic Dichotomy Example 1 For
Environmental Security, Natural Resources are
the Source of Conflict vs. Natural Resources
are a Source of Solutions to Conflict
The paradox While in some cases conflict has
and does arise over competition for natural
resources, natural resources can be a path to
Environmental Peacemaking1.
14
Paradigmatic Dichotomy Example 2 For
Sustainability, Cities are Good vs. Cities
are Bad
The paradox While cities are centers of
consumption, sources of pollution, and often
concentrate crime and conflict, they are also
centers of human and economic capital, sources of
innovation and organization, and repositories of
diversity.
15
Can these two paradigmatic dichotomies be
organized conceptually to makes some sense of the
circular nature of these two important paradoxes?
16
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17
Resilience theory provides explanations for the
source and role of transforming change in
adaptive systems.  
18
SES- Socio Ecological System
19
Urban Facts
  • In 2008 more than half the people on the planet
    will live in cities.
  • As early as 2030, four out of five of the worlds
    urban residents will live in what we call the
    developing world
  • Many experts predict that cities will be where
    future conflict will be most prevalent
  • Cities are particularly vulnerable to natural
    disasters

20
Cities and Mega Cities Today
  • 19 mega-cities with 10 million or more
  • 22 cities with 5-10 million
  • 370 cities with 1-5 million
  • 433 cities with 0.5-1 million

21
Cities and Nature
  • A large percentage of Earth's biodiversity exists
    in urban or urbanizing areas.
  • Cities are embedded in the natural environment of
    whichever place on Earth where they develop.

22
Connecting
  • Connecting city dwellers with their local nature
    and watersheds is critical not only for building
    support for the conservation of faraway places,
    but also for the ecological restoration and
    stewardship of biodiversity at home.

23
Conservation
  • Conservation of local urban biodiversity is as
    essential to global ecosystem conservation,
    sustainability, and human survival on the planet
    as is conservation of the Amazon rainforest or
    the Alaskan National Wildlife Refuge.

24
Environmental Justice
  • Many urban people cannot afford to go out of town
    to experience nature and/or they have grown up
    without the benefit of experiencing wild nature. 

25
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26
Nature...
  • Urban areas are the diverse, complex, intensely
    developed and decisive milieu in which we humans
    are confronted with the global challenge of how
    to interact more harmoniously, locally, with the
    rest of the natural world.
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