marine litter · global and regional governance framework un environment assembly resolutions 1/6...
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Marine Litter Causes, Impacts and
International Policy Framework
Jerker Tamelander
COBSEA / UN Environment
ASEAN Conference on Reducing Marine Debris in the Region 22-23 November 2017, Phuket, Thailand
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The Issue
Plastic is a solution that has become a problem
Plastics are now ubiquitous in the ocean: on shorelines, in coastal waters, the water column, on the
seabed, including the most remote environments such as polar regions, mid-ocean and deep trenches
The quantity observed floating in ocean gyres represents only a small fraction
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Where does it come from?
Global annual production of plastics 1.5 Mt in 1950s; 300 Mt currently
40% is used for packaging, a further 22% used for consumer and
household goods, furniture, sport, and the health and safety sectors
Half of plastic production is single use, average recycling rate only 14 %
“Every piece of plastic that has ever been made is still in existence”
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8 Mt of plastic leak into the ocean
annually; 2.5% of production
Leakage along the value chain:
raw material, manufacture, use, waste
direct discharge
(at sea or on the coast)
mismanaged plastic waste
(poor collection and management)
wastewater outfall
(poor treatment)
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Asia Rapid growth in plastic
production and use
Inadequate management
of solid waste and
wastewater
High production of
plastics that end up as
marine litter
Manufacturing often
relatively polluting
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Impacts – environment
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Impacts – human health
Human health implications difficult to assess fully
• micro- and nanoplastics in seafood; bioaccumulation of endocrine disruptors
• toxicity of plastic additives such as flame retardants, antioxidants, UV-stabilizers and plasticizers;
highest human health risk from polyurethanes (hard plastic, fibres), polyvinylchloride (pipes, bottles,
non-food packaging), epoxy resins (adhesives, metal coatings) and styrenic polymers (insulation)
• adsorbed compounds (polyaromatic hydrocarbons and metals), and pathogens on plastic surface
Human uptake through seafood appears no more significant than other human exposure pathways,
but significant knowledge gaps e.g. related to nano-sized particles
Significant risk from blocked storm drains; vector borne diseases; loss of life or injury at sea
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Impacts – economy
The full extent of the impact of plastic pollution on marine ecosystems and human health still unknown => the economic costs are difficult to assess fully
• total annual natural capital cost estimated at USD 8 billion per year
• two thirds in food, beverage and retail sectors: revenue loss to fisheries, aquaculture, tourism, and beach cleanup costs
• shipping: fouling, breakdowns and delays; estimated at USD 279 million per year in the APEC region
• weak connection between sectors of the economy producing plastic products and those affected by their inappropriate disposal
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Why?
• Plastics are immensely versatile
• Social attitudes/consumer behavior
• Long term implications at least initially poorly understood
• Highly transboundary
• Environmental costs of plastics not internalized
• Policy and regulatory frameworks not keeping pace with development
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Global and regional governance framework
UN Environment Assembly resolutions 1/6 (2014) and 2/11 (2016)
Combating marine plastic litter and microplastics: An assessment of the effectiveness of relevant international, regional and subregional governance strategies and approaches presented to UNEA-3, Dec. 2017
• Advisory Group: science, policy and legal experts
• instruments that prevent pollution, protect biodiversity, or regulate manufacture, use and disposal
• measures of implementation
• gaps and trends
+ draft UNEA-3 resolution
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Global and regional governance framework
Global
• hard law with relevant provisions, limited remit / narrow application
• soft law more specific, but limited regulatory power
Regional
• hard law: regional seas conventions and protocols
• soft law: regional action plans
• not uniform upstream mandate
• greater priority to waste management in soft than in binding instruments
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East Asian Seas
Globally significant source of marine litter, high vulnerability
COBSEA Regional Action Plan on Marine Litter 2008: Cambodia, China,
Indonesia, Korea, Malaysia, Philippines, Singapore, Thailand, Vietnam
Revision underway, based on regional assessment
Development of regional initiative for implementation of the action plan, working
across sectors, focus on the plastic value chain (session tomorrow)
Marine litter included in ASEAN-UN Workplan
COBSEA COORDINATING BODY ON
THE SEAS OF EAST ASIA
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Some key gaps…
Current governance strategies and instruments provide a fragmented approach
that does not adequately address marine litter and microplastics
No international body with mandate to regulate land-based marine pollution
No global agreement specific to prevention of marine plastic litter and
microplastics, and providing for a comprehensive lifecycle approach
The regional framework has similar gaps
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SDG 6.3: halve proportion of untreated wastewater
SDG 11.6: reduce the adverse environmental impact of
cities, paying special attention to municipal and other
waste management
SDG 12.4: environmentally sound management of all
wastes throughout their life cycles
SDG 12.5: reduce waste generation through prevention,
reduction, recycling and reuse
SDG 14.1: prevent and significantly reduce marine
pollution, in particular from land, including marine debris
SDG 14.2: sustainably manage and protect marine and
coastal ecosystems to avoid significant adverse impacts
Ocean Conference 2017: Call for Action
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Maintain Status Quo
• Strengthen implementation of existing instruments
• Continue current efforts
Revise and Strengthen existing framework
• Bring industry into the solution
• Expand the mandate of an existing international body to include the coordination of existing institutions
• Strengthen existing measures
• Revise existing instruments such as the Honolulu Strategy
• Adopt a voluntary agreement on marine plastic litter
New global architecture with multilayered governance approach
• Establish a new international legally binding architecture.
• Take phased approach:
• Phase I: Develop voluntary measures (same as Option 2)
• Phase II: Develop a binding agreement
Options Identified in the
assessment prepared
in response to UNEA
resolution 2/11,
submitted to UNEA at
its thirds session as
UNEP/EA.3/INF/5
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Key messages
Marine litter is a complex problem, but it can be solved
the problem is recognized, we have knowledge, common goals and targets
No single action is sufficient, priority actions are known
production, materials, design, waste generation, management and capture;
regulation, incentives, investment, partnerships, corporate action, research,
awareness, behavioural change…
The regional dimension is important
common and more specific problem identification; greater impact through
coherent strategies, policies and actions; better tracking
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UN Environment publications: wedocs.unep.org
GPML / Marine Litter Network: marinelitternetwork.com
Marine Litter Vital Graphics: grida.no/resources/6933
Clean Seas: cleanseas.org
IMDC-6: internationalmarinedebrisconference.org
Marine Litter MOOC: marinelittermooc.org
GPML: Steering Group (SC)
Current members: • US/NOAA (Chair)
• Germany
• Netherlands
• GPA, UN Environment (Land-based litter)
• IMO (Sea-based litter)
• FAO (Sea-based litter / ALDFG)
• GESAMP (The Joint Group of Experts on the Scientific Aspects
of Marine Environmental Protection)
• Norway (June 2017)
• Regional nodes