The Psychology of Climate Change Bending the Curves: Climate, … · 2012-04-23 · The Psychology...
Transcript of The Psychology of Climate Change Bending the Curves: Climate, … · 2012-04-23 · The Psychology...
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The Psychology of Climate Change
Bending the Curves: Climate, Land Use, and
Biological Diversity Changes.
Is There a Safe Way out through the Planetary
Boundaries?
Salah A. Soliman
Professor of Pesticide Chemistry & Toxicology
Alexandria University
Bibliotheca Alexandrina- Advisor
BioVisionAlexandria 2012
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Biodiversity change
The Global Fire Triangle
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Forest Grasslands/savanna
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Atmospheric CO2 concentration
Etheridge et al. Geophys Res 101: 4115-4128
IGBP synthesis: Global Change and the Earth System, Steffen et al 2004
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Northern hemisphere temperature
IGBP synthesis: Global Change and the Earth System, Steffen et al 2004
Mann et al Geophys Res Lett 26(6): 759-762
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Atmospheric CH4 concentration
IGBP synthesis: Global Change and the Earth System, Steffen et al 2004
Blunier et al. J. Geophy .Res 20: 2219-2222
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Coastal zone nitrogen flux
IGBP synthesis: Global Change and the Earth System, Steffen et al 2004
Mackenzie et al 2002.
From Tera to Peta Moles
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Tropical rainforest and
woodland loss
IGBP synthesis: Global Change and the Earth System, Steffen et al 2004
Richards, the Earth as transformed by human action, Cambridge University Press
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Species Extinctions
IGBP synthesis: Global Change and the Earth System, Steffen et al 2004
Wilson, the Diversity of Life.
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1850 1950 2000
The great acceleration
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20
10
-20
20
1850 1950 2000
Bend the curves! Can we?
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Climate
change
Ocean
acidification
Ozone
depletion
Global
freshwater
use
Rate of
biodiversity
loss
Biogeochemical
loading:
Global N & P
cycles
Atmospheric
aerosol
loading
Land
system
change
Chemical
pollution
Planetary
Boundaries
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Nitro
gen
flow
Ocean
acid
ity
?
50-60
70-80
Latest
data
90-00
Pre-
Ind.
?
? ?
?
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Speculated and Identified
Causes of Climate
Changes Prior to the Industrial
Era (pre-1780)
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Changes in the Earth's Orbit
Changes in the shape of the Earth's orbit (or eccentricity) as well as
the Earth's tilt and precession affect the amount of sunlight received
on the Earth's surface. These orbital processes -- which function in
cycles of 100,000 (eccentricity), 41,000 (tilt), and 19,000 to 23,000
(precession) years -- are thought to be the most significant drivers of
ice ages according to the theory of Mulitin Milankovitch, a Serbian
mathematician (1879-1958).
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Changes in the Sun's
Intensity
Changes occurring within (or inside) the sun can affect
the intensity of the sunlight that reaches the Earth's
surface. The intensity of the sunlight can cause either
warming (for stronger solar intensity) or cooling (for
weaker solar intensity). According to NASA research,
reduced solar activity from the 1400s to the 1700s was
likely a key factor in the “Little Ice Age” which resulted
in a slight cooling of North America, Europe and
probably other areas around the globe.
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Volcanic Eruptions
Volcanoes can affect the climate because they
can emit aerosols and carbon dioxide into the
atmosphere.
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Aerosol Emissions
Volcanic aerosols tend to block sunlight and contribute to short
term cooling. Aerosols do not produce long-term change
because they leave the atmosphere not long after they are
emitted. According to the United States Geological Survey
(USGS), the eruption of the Tambora Volcano in Indonesia in
1815 lowered global temperatures and historical accounts in
New England describe 1816 as “the year without a summer.”
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Carbon Dioxide Emissions
•Volcanoes also emit carbon dioxide (CO2), a greenhouse gas,
which has a warming effect.
•While volcanoes may have raised pre-historic CO2 levels and
temperatures, according to the USGS Volcano Hazards Program,
human activities now emit 150 times as much CO2 as volcanoes
(whose emissions are relatively modest compared to some earlier
times).
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Do the Earth’s volcanoes emit
more CO2 than human
activities?
“No” Modern human activities, responsible for some
36,300 million metric tons of CO2 emissions in
2008 [Le Quéré et al., 2009], release at least a
hundred times more CO2 annually than all the
world’s degassing subaerial and submarine
volcanoes (Gerlach, 2010).
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CLIMATE CHANGE AND
SEA LEVEL RISE:
The Case of EGYPT
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Nile Delta
Mediterranean Sea Mediterranean Sea
Tanta
Mahala AlMansoura
Portsaied
NewDamietta
Damietta
Damanhour Kafr Eldawar
Edco
Rashid
Kafr Elsheikh
Zakazik Zefta
Menouf
Dosouk
Fowa
Bella
Sherbin
East Katara West Kantara
Romana
Ismailia
Abu Matameer
Elamria
Hoosh Eisa
Abu Qir Bay
Elmanzala
Cairo
Shebin Elkoum
Banha Sinai
Western desert Eastern Desert
Metobus Sedi Salem
Elhamoul
The Tower
Gamasa
Tina Bay
From zero to 20 m above the sea level
From 20 to 50m above the sea level
From 50 to 100m above the sea level From 100 to 150m above the sea level From 200 to 250m above the sea level
From150 to 200m above the sea level
After Prof. Khaled Ouda
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Sea Level Raise by 100 cm max.
Mediterranean Seaا
Mediterranean Sea
Tanta
Mahala
AlMansoura
Portsaied
NewDamietta
Damietta
Damanhour
Kafr Eldawar
Edco
Rashid
Kafr Elsheikh
Zakazik
Zefta
Menouf
Dosouk
Fowa
Bella
Sherbin
East Katara West Kantara
Romana
Ismailia
Abu Matameer
Elamria
Hoosh Eisa
Abu Qir Bay
Elmanzala
Cairoا هرة
Shebin Elkoum
Banha
Sinai
Western desert اEastern Desert
Metobus Sedi Salem
Elhamoul
Baltim
The Tower
Gamasa
Tina Bay
Blue parts, their level is 1 meter above the sea and are exposed to sea inundation, while black parts are
20 meters above the sea level
After Prof. Khaled Ouda
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Mediterranean Sea اMediterranean Sea
Tanta
Mahala AlMansoura
Portsaied
Damietta
Damanhour Kafr Eldawar
Edco
Rashid
Kafr Elsheikh
Zakazik Zefta
Menouf
Dosouk
Fowa
Bella
Sherbin
East Katara West Kantara
Romana
smailiaا
Abu Matameer
Elamria
Hoosh Eisa
Abu Qir Bay
Elmanzala
Cairoا
Shebin Elkoum
Banha Sinai
Western desert Eastern Desert
Metobus Sedi Salem
Elhamoul
Tina Bay
Blue parts, their level is 1 meter above the sea and are exposed to sea inundation, while black parts are 20 meters above the sea level
After Prof. Khaled Ouda
Sea Level Rise by 2 meters
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BBC: Climate Change
Threatens Egypt's Nile delta
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NPR: Sunday Edition
A Civilization Threatened by
Climate Change
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Aknoledgement
I thank Professor Khaled
Ouda and the Stockholm
Resilience Center for some
of the slides used in this
presentation.