Short-Lived Climate-forcing Pollutants (SLCPs) in South ... · 1 Institute for Advanced...
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Institute for Advanced Sustainability Studies e.V. Institute for Advanced Sustainability Studies e.V.
Short-Lived Climate-forcing Pollutants (SLCPs) in South Asia:
Science, Impacts and Action
Prof. Dr. Mark G. Lawrence
Scientific Director SIWA – Sustainable Interactions with the Atmosphere Institute for Advanced Sustainability Studies (IASS)
http://www.iass-potsdam.de
Joint Side Event, UNFCCC COP-19 Warsaw, Poland, 18 November 2013
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• Gases: – Methane (CH4) – Ozone (O3) – Hydrofluorocarbons (HFCs) – Nitrogen Oxides (NOx) – Carbon Monoxide (CO) – Volatile Organic Compounds (VOCs) – Sulfur Dioxide (SO2)
SLCPs: Short-Lived Climate-forcing Pollutants
• Aerosol Particles: – Soot (incl. Black Carbon (“BC”)) – Organic Carbon – Sulfate (SO4
2-) – Nitrate (NO3
-) – Ammonium (NH4
+)
Roles
• Act as air pollutants or pollutant precursors (except HFCs)
• Responsible for significant climate-forcing (warming /cooling)
• Relatively short-lived in the atmosphere (days to decades)
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Global Mean Radiative Forcing, 1750 to 2005
[IPCC Report, 2007]
SLCPs!
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Global Mean Radiative Forcing, 1750 to 2005
[IPCC Report, 2013]
SLCPs!
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Institute for Advanced Sustainability Studies e.V. Courtesy: Jinsoo, Khadak, Dipesh, Bhogendra
Filter after one day of sampling at the SusKat-ABC Bode Supersite
Health Impacts?
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Outdoor air pollution in 2050: top environmental cause of mortality worldwide, ahead of dirty water and lack of sanitation
Global Air Pollution Impacts on Health
(OECD, 2012)
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Air Pollution Impacts on Agriculture
Exposure of wheat to ozone in Pakistan
Filtered ‘Clean’ air Air with ambient ozone
Ozone injury to grapevine leaves
(Pictures courtesy of J. Kuylenstierna, SEI/CCAC)
Increasing ground level ozone can result in significant crop loss.
The Royal Society 2008
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Reduced Visibility
View from Bode House, 28 Feb 2013 SusKat-ABC Field Campaign Supersite
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Reduced Visibility
View from Bode House, 20 March 2013 SusKat-ABC Field Campaign Supersite
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Mitigation Possibilities? 16 Key Global Measures for CH4 and BC
[UNEP, 2011]
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9 Key Global Measures for Reducing BC Emissions
Improved biomass stoves Modern coke ovens Remove mega-emitters / DPF
Cooking with clean fuel Pellet biomass heating stoves Improved brick kilns
Coal briquettes replacing coal Reduce agricultural burning Reduce flaring
(Courtesy of J. Kuylenstierna, SEI/CCAC)
Many are typical for southern Asia!
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Southern Asia: Major Difficulties with SLCPs
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Regional pollution haze in the HKH Region (20 March 2013)
South Asia HKH: One of the least sampled regions of the world
“River of Pollution”
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Kathmandu
Regional Air Pollution Intruding into the Himalayas
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SLCP Impacts in South Asia
SLCPs
Public Health
Crop Productivity Atmospheric Heating
Influence Monsoon Glacier Melting
Sea Level Rise Influence on Storms
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Nepal Bangladesh India
Pakistan China
Extensive Benefits for (Southern) Asian Countries from Air Pollution Control
Shindell et al, Science, 2012
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Clear Need for Southern Asia:
• clean-solutions
• grounded in sound science
• tailored to local context
One Response: Pilot Studies (our example: Nepal)
• Significant levels of pollution
• Yet manageable size for potential interventions
Collaboration with ICIMOD and over 20 other research institutions
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Scientific basis
Engagement
Mitigation Options
Implementation of Measures
Emissions Observation Atmospheric Modeling
Air quality Health Tourism Crops Climate
Mitigation Options
Mitigation Potential
Demonstration Scaling up
Private sector/media/ Outreach
Research/Training/MSc/PhD/Postdoc
Science
Impacts
Scientific Community
Policy Community
Action Community
Tech., financial, Legal, policies
Impacts, cost/benefits…
Science-policy interactions
SusKat: A Sustainable Atmosphere for the Kathmandu Valley
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SusKat-ABC Understand the science of air pollution in the valley
Observation Phase (intensive Jan-Jun 2013)
Mt. Nagarjun
Mt. Shivapuri
Mt. Nagarkot
Bagmati river outflow
Bode Supersite
pass
pass
Mt. Phulchoki
pass
Nt. Nagarkot Satellite Site
Bagmati River Satellite Site
Mt. Shivapuri Satellite Site
Bhimdhunga Satellite Site
Pokhara
Lumbini
pass
• 20 research groups (>40 scientists for ~6 months), over 150 instruments at over 20 ground sites
• Special issue with 20-25 papers in progress
• 2nd largest international pollution measurements campaign ever in Southern Asia
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• IASS: M. Lawrence, M. Rupakheti, J. Schmale, K. Mahata, A. Lauer, A. Mues P.S. Praveen …
• U. Mainz: P. Hoor. H. Bozem, • KIT: W. Junkermann
• ICIMOD: A. Panday, B. Banmali , • IOE TU: B. Sapkota, Ram K. Sharma, M. Thapa
• CDP TU: Ram P. Regmi & Students
• IISER-Mohali: V. Sinha, C. Sarkar, • ARIES-Nainital: M. Naja , P. Bhardwaj • PRL: S. Lal • NARL: A. Jayaraman, A. K. Pandit
• ITP CAS : S. C. Kang, Q.G. Zhang, Z. Luthi , D. Rupakheti …
• NASA: B. Holben • UVA: A. Panday, S. Dhungel • U. Masstt.: R. Peltier, K. Shakya
• Ev-K2-CNR: P. Bonasoni , E. Vuilermoz, A. Marinoni, P. Cristofelli, B. Adhikary, …
• SU: O. Gustafsson (SU), C. Bosch, A. Anderson
• SNU: S.C. Yoon, S.W. Kim , J.H. Kim …
• NIER: J.S. Park, ….
Collaborators
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Institute for Advanced Sustainability Studies e.V. Scientific Community
SusKat-ABC data workshop, 27-29 Aug 2013, Kathmandu
Next Steps:
• Data Analysis, Source Characterization
• Modelling (incl. Mitigation Scenarios)
• Impact Studies (esp. Health)
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Domain I (15 km)
Domain II (3 km) Domain III (1 km)
Kathmandu Valley
Health impacts intensive (traffic police) planned for Jan. 2014
Photos: Mark Lawrence
WRF-Chem simulations
Sources, Impacts, and Mitigation Options
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Scientific basis
Engagement
Mitigation Options
Implementation of Measures
Emissions Observation Atmospheric Modeling
Air quality Health Tourism Crops Climate
Mitigation Options
Mitigation Potential
Demonstration Scaling up
Private sector/media/ Outreach
Research/Training/MSc/PhD/Postdoc
Science
Impacts
Scientific Community
Policy Community
Action Community
Tech., financial, Legal, policies
Impacts, cost/benefits…
Science-policy interactions
SusKat: An end-to-end project:
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Science-Policy Seminar on SLCPs, 22 Nov 2012, Kathmandu
Engagement Example
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Government: Joint Secretary-MoEST Politicians: Former Minister-MoEST
Involvement of a Broad Range of Stakeholders
Experts: Scientists Students and Fellows: Capacity building
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Involvement of a Broad Range of Stakeholders
Civil Society: Spiritual Leaders
Private Sector: Brick Manufacturers Assoc.
Movie Actors
Media
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• Science has made a strong case that cannot be ignored:
SLCPs are a significant threat to development in South Asia
• Need to continue advancing SLCP science in the region
• Connect to local policy makers and other key stakeholders:
Benefits are greatest near where emissions are cut, and extend
to other regions through climatic and economic benefits.
Conclusions
For more information: http://www.iass-potsdam.de/regional-focus-sustainable-atmosphere-kathmandu-valley http://www.unep.org/ccac/