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Ole John Nielsen

Copenhagen Center for Atmospheric ResearchDepartment of ChemistryUniversity of Copenhagen

Climate change after Copenhagen 2009

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2. Social and Environmental

Disruption

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Ocean acidificationChallenge to marine biodiversity and ability of

oceans to function as sink of CO2

• Southern Ocean and Arctic ocean projected to become corrosive to aragonite by 2030-2060

Turley et al 2006

9(Smith et al. 2009 PNAS)

Updated Reasons for Concern

EU 2°C-Guardrail

Source: H.J. Schellnhuber

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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.

Equity

Dimentions

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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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71% covered by water

Water from the perspective of an atmospheric chemist

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Water gives life and water takes lives

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Industry

NatureDrinking water

Energy and regulation

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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Thank you for your attention

The stone age did not end for the lack of stoneAnd the oil age will end long before we run out of oil

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