transition-studies cambridge climate research associates fall semester...
TRANSCRIPT
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Beacon Hill Seminars – 2016
“Earth’s Changing Climate: What is Causing
It? What Will It Mean for You?
Timothy C. Weiskel
Transition-Studies
Cambridge Climate Research Associates
Fall Semester 2016
27 October 2016
Session 4 – Climate Change, Agriculture and
The “Food Problem”
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Climate change and sea-level rise will
affect many cities like Boston…
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Tim Weiskel - 3
… But beyond the post-Columbian cities
like Boston what about the other
dimensions of the sea level problem…?.
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Tim Weiskel - 4
https://environmentaljusticetv.wordpress.com/2014/04/02
/u-n-climate-panel-issues-dire-warning-of-threat-to-
global-food-supply-calls-for-action/
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Tim Weiskel - 5
https://environmentaljustic
etv.wordpress.com/2012/0
8/16/people-and-planet-
speech-only/
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Tim Weiskel - 6
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Remember, … the trophic structure of the
ecosystem is crucially important.
Therefore, in an ecosystem ratios really matter.
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We can begin to ask
about “overload”
questions, but
answering these
questions will
inevitably raise
further (perhaps
embarrassing or
revealing) questions
about ratios.
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Tim Weiskel - 9
Some have
already argued
that there are
too many
humans
currently alive
and about to
live for the
planet to
sustain them.
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Part of the problem comes from transforming the ratios
between the “wild” species (forest tree), the “cultivated
species” (stalk of wheat) and ourselves.`
This 1995 UN Ecosystem Assessment Report is the largest
and loudest warning signal from the environmental
scientists ever.
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[ Remember the
patterns of
population
dynamics in
biological
species.]
In fact,
r-selected species
repeat a
depressingly
predictable pattern
of growth in
ecosystems.
What does it mean
to applaud this
pattern?
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“Skill and knowledge, though they have profoundly transformed ordinary encounters with disease for most of humankind, have not and in the nature of things never can extricate humanity from its age-old position….
Birth control may in time catch up with death control. Something like a stable balance between human numbers and resources may then begin to define itself.”
Wm. McNeill
But we are no where near this yet.
Let’s begin by looking at
radical imbalances of the
past…
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The “Demographic Transition”
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What about the ‘Third World’ -- i.e.. the two-thirds world, really the four-fifths world?
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What about the ‘Third World’ -- i.e.. the two-thirds world, really the four-fifths world?
What ‘transition’ is occurring here?
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“... for the present and short-
range future, it remains obvious
that humanity is in course of one
of the most massive and
extraordinary ecological
upheavals the planet has ever
known. Not stability but a
sequence of sharp alterations and
abrupt oscillations in existing
balances …can be expected in
the near future as in the recent
past.”
“Ingenuity, knowledge, and
organization alter but cannot
cancel humanity’s vulnerability…”
Wm McNeill
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…as you might expect, judgments about “the population problem” are often linked to one’s position in the human population
explosion.
Clearly, there are widely
differing assessments of our
circumstances and widely
moral differing positions on
how we ought to behave
collectively.
This, in part, derives from a
different ‘lived experience’…
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Tim Weiskel - 18
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Tim Weiskel - 19
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Tim Weiskel - 20
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Some authors
have written
about how the
human
community has
“overshot” the
carrying
capacity of the
earth.
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Tim Weiskel - 22
These perspectives are
not new. They have
been stated with
increasing urgency
since Thomas
Malthus’s first Essay
on Population in the
late eighteenth century.
Both Thomas
Malthus and many who
have written since have
portrayed this as a
moral issue.
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But not all people agree with
the morality expressing the
need for limits.
Indeed, some argue that it is
immoral to limit human growth
and the economic growth that
seems to accompany it.*
This argument often comes
from conservative religious
leaders on the one hand or
techno-scientific salvationists -
- perhaps the leaders of the
most pervasive and persuasive
form of religious belief in our
Western culture, if not the
world.
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Why has
the human
community
side-stepped
or ignored the
“population”
problem?
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Q: Why has the
human
community side-
stepped or
ignored the
“population”
problem?
A: Because of
our fanciful
understanding
of the
ecosystem.
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Tim Weiskel - 26
Q: Why has
the human
community
side-stepped
or ignored the
“population”
problem?
A: Because of
our fanciful
understanding
of the
ecosystem.
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http://www.climate-talks.net/2008-
ENVRE130/Audio/20090913-NPR-Borlaug-dies.htm
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Tim Weiskel - 28
BBC, Newshour, 13
September 2009
http://www.climate-talks.net/2008-
ENVRE130/Audio/20090913-BBC-
Borlaug-Newshour-obit.mp3.
Norman Borlaug
(1914 – 2009)
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Tim Weiskel - 30
http://www.climate-talks.net/2008-ENVRE130/Video/20090913-
YouTube-Borlaug-Promoter.htm
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There is no “Planet B.”
They know this because…
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There is no “Planet B.”
We only have one Earth.
They know this because…
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There is no “Planet B.”
We only have one Earth.
We only get one chance.
They know this because…
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There is no “Planet B.”
We only have one Earth.
We only get one chance.
They know this because…
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Tim Weiskel - 37
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Tim Weiskel - 38
Thank you….
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Thank you….
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Beacon Hill Seminars – 2016
“Earth’s Changing Climate: What is Causing
It? What Will It Mean for You?
Timothy C. Weiskel
Transition-Studies
Cambridge Climate Research Associates
Fall Semester 2016
27 October 2016
Session 4 – Climate Change, Agriculture and
The “Food Problem”