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Transcript
WORKING DOCUMENT
Swedish efforts to address
ocean acidification, including
links to climate change
Sustainable Development Goals, Target 14.3: Minimize and address
the impacts of ocean acidification, including through enhanced
scientific cooperation at all levels
Executive Summary
 Substantial emissions reductions in line with the
Paris agreement will benefit the mitigation of both
climate change and ocean acidification. The latter is a
strong call for an upscaling of ambition in line with
the Paris agreement and SDG 13.
 Adaptation to ocean acidification critically depends
on the implementation of all other targets of SDG 14.
Reducing other environmental stressors can help to
increase the resilience of ecosystems to ocean
acidification (and vice versa). Adaptation is only
feasible in a limited range and over short timescales
and is not a long-term alternative to cutting CO2emissions.
 There are good examples of enhanced scientific
collaboration at the national, regional and
international levels. Yet, there is a need for a more
strategic approach to address pressing knowledge
gaps such as cumulative impacts of multiple
stressors, and effective and cost-efficient tools to
manage and address ocean acidification.
Publisher: Swedish Agency for Marine and Water Management (SWAM)
Date: 2017-02-13
Authors: Thomas Klein (Main Author), Lennart Sorby, Elisabeth Sahlsten (SWAM), Per Thege, Oskar Larsson (SEPA)
Expert advice from Jon Havenhand (GU)
Photographer: Maja Kristina Nylander
Swedish Agency for Marine and Water Management
Box 11 930, 404 39 Gothenburg
Sweden
www.havochvatten.se
Swedish efforts to address ocean
acidification, including links to climate
change
Introduction and challenges
The IPCC Climate Change 2014 Synthesis Report [1] finds that since the beginning of the industrial
era, oceanic uptake of CO2 has resulted in acidification of the ocean. The pH of ocean surface water
has decreased by 0.1 units, corresponding to a 26% increase in acidity, measured as hydrogen ion
concentration. Earth System Models project a further global increase in ocean acidification for all
RCP [representative concentration pathway] scenarios by the year 2100, with a slow recovery after
mid-century under RCP2.6 [high mitigation]. There is high confidence that ocean acidification will
increase for centuries if CO2 emissions continue, and will strongly affect marine ecosystems.
Rising rates and magnitudes of warming and other changes in the climate system, accompanied by
ocean acidification, increase the risk of severe, pervasive, and in some cases irreversible detrimental
impacts. Some risks are particularly relevant for individual regions, while others are global. The
overall risks of future climate change impacts can be reduced by limiting the rate and magnitude of
climate change, including ocean acidification. A number of global and regional assessments of ocean
acidification (e.g. [2-5]) are in line with the findings of IPCC [1]. Although the ocean’s uptake of
atmospheric CO2 is by far the major driver of ocean acidification globally, additional pollutants
(runoff from agricultural, industrial, and domestic sources) can be important regionally or locally
and specifically near coasts [6, 7]. Long-term mitigation of ocean acidification can only be achieved
by actions that reduce CO2-emissions. In the short-term, resilience of ecosystems to ocean
acidification can be strengthened by reducing other, regional and local, pressures but is not a longterm alternative to addressing the cause of the problem [1-7].
Efforts
Swedish efforts focus on the implementation of SDG 14.3 through established environmental
collaboration and networks. Selected examples at different levels are described in the following.
National
Sweden has a long record of accomplishment in environmental policies and introduced a carbon tax
as early as 1991. Sweden now has the ambition of zero net-emissions of greenhouse gases by 2045
[8]. The Swedish Parliament has adopted 16 environmental quality objectives (EQO), describing
what state and quality of the country’s environment are sustainable in the long term. The Swedish
parliamentary committee for environmental objectives has proposed new emissions targets and a
new climate change strategy [9]. The Swedish Parliament ratified the Paris agreement in November
2016. The Swedish Government is currently preparing a proposal for a climate bill that will be
presented to the Parliament in 2017 to implement the Paris agreement in Swedish law. The aim is to
keep the global rise in temperature as far below 2 °C as possible, and to strive to limit it to 1.5 °C. The
Swedish government’s budget bill for 2017 is the largest environment and climate budget ever
presented in Sweden, comprising investments for the climate of SEK 12.9 billion during 2017-2020.
Ocean acidification reduction can also benefit from Swedish air quality work targeting acidifying
substances such as sulphur and nitrogen. Enhancing the co-benefits, and avoiding the negative
trade-offs, of air quality and climate change policies have been Swedish priorities for many years.
This is reflected in Sweden’s strategy on emissions targets and climate change, the Swedish
implementation of the EU Industrial Emissions Directive (IED), and national research projects. In
this context, legislation of specific relevance to ocean acidification includes IMO regulation [10] and
the EU Sulphur Directive [11]. IMO aims to limit SOx release to the atmosphere by restrictions on
fuel-oil sulphur content but also provides for secondary control methods. Non-binding guidelines
have been adopted for exhaust gas cleaning systems which operate by water washing the exhaust gas
prior to discharge to the air [12], although this may also increase local acidification of seawater [13].
SDG 14.3 “[…] address the impacts of ocean acidification” is implemented in Sweden in line with the
overall ambition to achieve a balanced marine environment (EQO6) and Sweden’s work towards the
European Marine Strategy Framework Directive (MSFD) with a view to achieve Good Environmental
Status (GES). Actions such as eelgrass restoration can provide multiple benefits, including mitigation
of climate change (“blue carbon”), adaptation (e.g., reduced risk of coastal erosion, wave dampening)
and support of biodiversity and marine resources.
Sweden supports research on ocean acidification both nationally and through international research
cooperation [e.g. 14-16]. Several major project grants have addressed the direct and indirect effects
of CO2-driven acidification on key species and ecosystems in Swedish coastal waters. These include
effects of acidification on bloom-forming phytoplankton, early life-stages of invertebrates, calcifying
shellfish, and larger-scale mesocosm investigations in planktonic, and seagrass ecosystems.
Regional
European cooperation of relevance to SDG 14.3 includes work in line with EU-legislation such as the
MSFD, Water Framework Directive (WFD), Marine Spatial Planning Directive (MSPD) as well as the
Sulphur Directive (SD). The SD revision of 2012 follows the provisions of the International Maritime
Organization (IMO) and introduces the concept of SOx Emission Control Areas (SECAs). Sweden
also contributes to achieving the EU climate targets, including energy efficiency.
Regional conventions and collaborations with links to SDG 14.3 include OSPAR, HELCOM and
ICES. A common denominator of these collaborations is the goal of sustainable management of the
marine environment. A joint working group of ICES and OSPAR produced a comprehensive report
on the monitoring of ocean acidification and its impacts [17]. SDG 14.3 is also addressed by several of
the working groups under the Arctic Council (e.g. AMAP, CAFF, PAME).
The Swedish EPA (SEPA) provides expertise on climate change and air pollution to working groups
of the Nordic council of ministers (NMR). SEPA supports the environmental working group of the
Barents Euro-Arctic Council and the implementation of an action plan on climate change. SEPA also
provides expertise to the Arctic council’s expert group on black carbon and methane. This group
aims to develop a “Summary of Progress and Recommendations” based on the national reports and
other relevant information, and to develop an ambitious, aspirational and quantitative collective goal
on black carbon. The UN Convention on Long-Range Transboundary Air Pollution (CLRTAP)
focuses on improving air quality on local, national and regional levels, on continents and oceans.
SEPA currently chairs the convention.
Examples of regional research projects with relevance to ocean acidification and resilient ecosystems
are the European Project on Ocean Acidification (EPOCA) [18], which produced the Guide to Best
Practices for Ocean Acidification Research [19], BALTIC-C [20], which investigated the fate of CO2
and organic carbon in the Baltic, and SHEBA [21], which investigates sustainable shipping and
environment of the Baltic Sea region. Examples of research funding collaborations include BONUS,
NMR, the Joint Programming Initiative Healthy and Productive Seas and Oceans (JPI Oceans),
Water challenges for a changing world (Water JPI) and JPI Climate. Sweden participates in JPIs
through Formas (Oceans, Water, Climate), the Swedish Research Council (Climate) and SWAM
(Oceans, Water). The European Earth observation initiative Copernicus provides extensive amounts
of open near real time and archived data from a series of Earth Observation satellites and six
thematic services, supporting marine and climate change science and management [22].
International
International efforts include Swedish work within Global Framework Conventions relevant to ocean
acidification (e.g. UNFCCC, CBD, UNCLOS), regional and sectoral agreements, scientific
collaborations such as IPCC, WOA, IPBES, and environmental networks such as IUCN. Swedish
scientists contribute to the recently established SCOR Working Group 149 on Changing Ocean
Biological Systems. In addition, there are several international environmental monitoring initiatives.
The Global Ocean Acidification Observation Network GOA-ON [23] is a collaborative effort to
coordinate the monitoring of ocean acidification, which has Swedish representation. The Group on
Earth Observations (GEO) [24] has initiated the Blue Planet Task [25], and is aligning its work on
the coordination of Earth observation with the specific objective of supporting Agenda 2030 and the
SDGs [26]. Sweden also cooperates with various UN-organisations relevant to ocean acidification.
The Action Platform for Source-to-Sea Management (S2S Platform) [27] is a multi-stakeholder
initiative that helps freshwater, coastal and marine experts to contribute to global knowledge
generation on source-to-sea interconnections, connect and engage in collaborative projects, promote
best practices, and take collaborative action to improve the management of land, water, coastal and
marine linkages. S2S has broad Swedish involvement (SIWI, SEI, SWAM). SEPA provides ongoing
assistance to the government in connection to climate negotiations within the framework of
UNFCCC and their recurrent COPs and working groups. SEPA is also coordinating a long-term
global program on environmental and climate cooperation with countries of strategic importance.
Gaps
Implementation of SDG 14 requires translation of the SDG targets to national policies and targets. As
a corollary, there is a need for a more explicit and strategic approach to address ocean acidification
in the Swedish national EQO framework. Links of SDG 14.3 to other targets of SDG 14 (and other
SDGs, notably SDG 13), need strengthening. Implementation of SDG 14.3 requires increased
awareness of ocean acidification, its impacts and associated environmental management options.
Key gaps and associated research needs include:
 Understanding of the effects of ocean acidification on Swedish marine ecosystems and
ecosystem processes (as distinct from marine species) is poor. To develop strategies to address
impacts on Swedish marine ecosystems there is a need to understand:
o The cumulative effects of additional stressors (e.g. fishing, eutrophication,
hazardous substances, climate change impacts) and, specifically, which stressors
amplify, and which reduce, the detrimental effects of ocean acidification;
o The capacities of key species to acclimate and genetically adapt to ocean
acidification over the medium to long-term;
o The importance of biodiversity and ecosystem restauration for resilience of
Swedish coastal ecosystems to ocean acidification;
 The economic consequences of ocean acidification are poorly quantified. Research is urgently
needed to identify:
o Key ecosystem services that will be negatively impacted by ocean acidification,
and estimate their monetary value;
o Future costs and economic consequences of ocean acidification for Swedish
coastal communities, and the Swedish national economy;
 Understanding of societal responses to the consequences of ocean acidification (as distinct from
climate change) is lacking. To develop relevant policy tools there is a need to identify:
o The value of informative instruments in changing societal norms, and hence
increasing public participation and engagement in addressing ocean acidification:
o Effective market-based policy-tools that aid mitigation and adaptation.
Good Examples
Enhanced scientific cooperation at all levels: Sweden has an active and collaborative
research community in the field of ocean acidification. Many projects have contributed, and are
presently contributing, to improved understanding of the chemical and biological impacts of ocean
acidification. Current projects are also identifying possible policy and management responses.
Unique knowledge gained from Swedish regional studies of the Arctic and the low-salinity Baltic Sea
is making valuable contributions to the wider international context.
Minimize the impacts of ocean acidification: Sweden has an international reputation as a
climate leader and has presented an ambitious climate strategy. Mitigation of ocean acidification and
climate change share the same solution. Thus, there are opportunities for cross-fertilization of SDG
14.3 with the Paris agreement and SDG 13. The latter should be used as a lever for an upscaling of
Intended Nationally Determined Contributions (INDCs) and should also be highlighted in the
conference’s “Call for Action” document.
Address the impacts of ocean acidification: Ocean acidification and climate change are crosscutting to other environmental questions, and solutions will require broad, effective and efficient
collaborations. Sweden benefits from well-established legal frameworks, institutions and processes
(national environmental objectives, EU directives, regional conventions, regular assessment cycles,
management frameworks, international processes). This provides multiple opportunities:
 To help poor countries achieve energy independence and break reliance on fossil fuels through
increased use of renewable energy sources. The potential to enhance climate action at local
levels is demonstrated by recent Swedish initiatives (e.g. “The Climate Step”, Klimatklivet [28]);
 To help poor countries, specifically Small Island Developing States (SIDS) and least developed
countries (LDCs), with adaptation and establishment of climate-proof (and climate-smart)
infrastructure. The latter is an absolute necessity if the target SDG 14.7 is to be reached in the
context of acidifying and warming oceans, rising sea levels and other climate related risks;
 To encourage integrated ecosystem-based management of marine, brackish, and freshwater
systems. A good example is the multi-stakeholder platform S2S that aims to support knowledge
generation on source-to-sea interconnections, promote best practices, and take collaborative
action to improve the management of land, water, coastal and marine linkages. Such linkages
are integral to understanding the impacts of ocean acidification in the low-salinity Baltic Sea
system. Thus, S2S also provides opportunities for a concerted approach to mitigation of – and
adaptation to – ocean acidification;
 To advocate for reductions of other environmental stressors with a view to increase the
resilience of ecosystems and their ability to tolerate ocean acidification and climate change. The
latter includes actions on dangerous substances and litter that negatively impact the marine
environment, e.g. upstream actions that reduce terrestrial sources (links to S2S), and reducing
fishing effort, eutrophication and coastal pollution;
 To highlight the importance of biodiversity and to advocate for increased MPAs. Lessons
learned from regional collaborations, e.g. in the Arctic, should be valuable in a wider international context, in particular with a view to adaptive management and connective networks
that can ameliorate the unavoidable impacts of climate change and ocean acidification.
References
1. IPCC 2014: Climate Change 2014: Synthesis Report. Contribution of Working Groups I, II and III to the Fifth Assessment Report
of the Intergovernmental Panel on Climate Change [Core Writing Team, R.K. Pachauri and L.A. Meyer (eds.)]. IPCC, Geneva,
Switzerland, 151 pp.
2. CBD 2014: An Updated Synthesis of the Impacts of Ocean Acidification on Marine Biodiversity. CBD Technical Series No. 75.
https://www.cbd.int/doc/publications/cbd-ts-75-en.pdf, accessed 6 February 2017.
3. WOA 2015: First Global Integrated Marine Assessment (First World Ocean Assessment).
http://www.un.org/Depts/los/global_reporting/WOA_RegProcess.htm, accessed 6 February 2017.
4. AMAP 2013. AMAP Assessment 2013: Arctic Ocean Acidification. AMAP, Oslo. 2013.
http://www.amap.no/documents/download/1577, accessed 6 February 2017.
5. BACC-II 2015: Second Assessment of Climate Change for the Baltic Sea Basin. Editors: The BACC II Author Team (Ed.).
http://www.springer.com/gp/book/9783319160054, accessed 6 February 2017.
6. IDDRI Policy Brief N°17, 2012. Ocean acidification - what can we do? https://www.iaea.org/oceanacidification/download/PB%20Ocean%20acidification.pdf, accessed 6 February 2017.
7. Weatherdon, L., Rogers, A., Sumaila, R., Magnan, A., Cheung, W.W.L., 2015. The Oceans 2015 Initiative, Part II: An up- dated
understanding of the observed and projected impacts of ocean warming and acidification on marine and coastal socioeconomic
activities/sectors, Studies N°03/15, IDDRI, Paris, France, 46 p.
8. Swedish Government. The goal is a fossil-free Sweden.
http://www.government.se/4add1a/contentassets/ef6483a702fd4d1a860e7ca7f4b6fe70/faktablad_fossil_free_sweden_en_webb.p
df, accessed 6 February 2017.
9. Swedish Government. The Swedish parliamentary committee proposes new emission targets and a new climate change strategy
(in Swedish). http://www.regeringen.se/artiklar/2016/06/miljomalsberedningen-foreslar-nya-utslappsmal-och-en-klimatstrategi/,
accessed 6 February 2017.
10. International Maritime Organization (IMO). Sulphur oxides (SOx) – Regulation 14.
http://www.imo.org/en/OurWork/Environment/PollutionPrevention/AirPollution/Pages/Sulphur-oxides-(SOx)-%E2%80%93Regulation-14.aspx, accessed 6 February 2017.
11. Directive 2012/33/EU of the European Parliament and of the Council of 21 November 2012 amending Council Directive
1999/32/EC as regards the sulphur content of marine fuels. http://eur-lex.europa.eu/legalcontent/EN/TXT/PDF/?uri=CELEX:32012L0033&from=EN, accessed 6 February 2017.
12. IMO. Resolution Marine Environment Protection Committee MEPC.259(68) (adopted on 15 May 2015). Guidelines for exhaust
gas cleaning systems.
http://www.imo.org/en/OurWork/Environment/PollutionPrevention/AirPollution/Documents/MEPC.259%2868%29.pdf,
accessed 6 February 2017.
13. Stips A, Bolding K, Macias D, Bruggeman J, Coughlanc C., 2016. Scoping report on the potential impact of on-board
desulphurisation on water quality in SOX Emission Control areas. 56pp. Report no. EUR 27886 EN.
https://ec.europa.eu/jrc/en/publication/scoping-report-potential-impact-board-desulphurization-water-quality-sox-emissioncontrol-areas, accessed 6 February 2017.
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accessed 6 February 2017.
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17. ICES 2014: Final Report to OSPAR of the Joint OSPAR/ICES Ocean Acidification Study Group (SGOA).
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accessed 6 February 2017.
18. EPOCA. European Project on OCean Acidification. http://www.epoca-project.eu/, accessed 6 February 2017.
19. Riebesell U., Fabry V. J., Hansson L. & Gattuso J.-P. (Eds.), 2010. Guide to best practices for ocean acidification research and
data reporting, 260 p. Luxembourg: Publications Office of the European Union.
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http://www.baltex-research.eu/baltic-c/, accessed 6 February 2017.
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2017.
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About this document
 This document is one of eight documents that together
constitute preliminary underlying support for the work in
connection with the Ocean Conference.
 The documentation has been drawn up on behalf of the Swedish
Ministry of the Environment. The work has been carried out in
close cooperation between the Swedish Agency for Marine and
Water Management and the Swedish Environmental Protection
Agency.
 Contributions to this work have been coll ated from several
national agencies (SEPA, SIDA, SMHI, Swedish Board of
Agriculture, Swedish Chemicals Agency and Swedish Transport
Agency) and educational institutions. The time frame for
coordination has however been limited, so not all contributors
have had the chance to give a final approval.
 The documentation focuses on a situation assessment, divided
up into eight areas, and refers to Swedish work to achieve SDG
14. In particular, national and regional initiatives are dealt
with.
 The operational areas of the Swedish Agency for Marine and
Water Management and the Swedish Environmental Protection
Agency have been taken as a starting point, and have been
expanded to include more significant aspects based on existing
contacts and knowledge. The documentation does not thus
constitute a complete picture of the Swedish initiatives being
carried out in order to achieve the targets.
 Continued analysis support for the Government Offices of
Sweden ahead of the conference is planned, in dialogu e with
involved authorities. The analyses should be developed with
more international, future-oriented aspects, according to
Swedish priorities ahead of the conference. This work will take
place with the support of new contacts and new combined
knowledge. In this, the Swedish Agency for Marine and Water
Management will be supported by the Swedish Institute for the
Marine Environment in connection with contact with Swedish
educational institutions, and by IVL Swedish Environmental
Research Institute for comp iling good examples from industry.