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Climate change after Copenhagen 2009
Ole John Nielsen
Copenhagen Center for Atmospheric Research
Department of Chemistry
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University of Copenhagen
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2. Social and
Environmental
Disruption
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Ocean acidification
Challenge to marine biodiversity and ability of
oceans to function as sink of CO2
Turley et al 2006
• Southern Ocean and
Arctic ocean projected to
become corrosive to
aragonite by 2030-2060
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Updated Reasons for Concern
EU 2°C-Guardrail
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Source: H.J. Schellnhuber
(Smith et al. 2009 PNAS)
3. Long-term strategy: Global Timetables and targets.
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3. Long-term strategy: Global Timetables and targets.
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4.
E
q
u
i
t
y
D
i
m
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n
t
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s
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5. Inaction is inexcusable
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6. Meeting the challenge
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6. Meeting the challenge
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Water from the perspective of an atmospheric chemist
71% covered by water
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Water gives life and water takes lives
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Drinking water
Nature
Energy and regulation
Industry
Agriculture
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Most disputes
over water occur
in areas where
water supplies
are uncertain
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Sea level rise and drinking water in western Denmark
Other effects of climate
change must be added
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The stone age did not end for the lack of stone
And the oil age will end long before we run out of oil
Thank you for your attention
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