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10 November 2021 – Gland, Switzerland: Created to assist new users who wish to apply the methodology, this Tutorial and its six videos take users through a national hotspotting assessment by following a step-by-step workflow. The links to the relevant videos can be found in the relevant chapters of the tutorial document as well.

The core of the methodology and requirements is presented to help users visualise the journey from data collection to intervention identification to detailed GIS modelling. With precise directions and video content, the document elaborates the 29 steps to conduct a national plastic pollution hotspotting assessment. A flowchart of each phase (A, B, and C) illustrates the data needed, the technical and strategic tools to use, how to verify results, and in which order to generate the necessary outcomes that can be synthesised as evidence and guidance for policy makers.

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To access the Guidance in three languages, the Tutorial slides, and to watch the videos, follow these links:

• The first video of the Tutorial for the National Guidance for Plastic Pollution Hotspotting and Shaping Action describes how to perform the desktop data collection on the production and trade of plastic. Instructions on how to perform the modelling of the data from polymer to sector are also presented.Ìý
• The second video shows how to calculate inputs, waste generation and obtain the stock quantities by sector. How to calculate recycling and waste export from collected data is also described.
• The third video presents how to calculate littered quantities by sector and how to use collected data to calculate shares of plastic based on management (mismanaged, uncollected, leaked, etc…) by sector. The video then shows how to obtain plastic leakage results by sector.
• The fourth video describes how to perform calculations of the shares of plastics based on management (mismanaged, uncollected, leaked, and more) by polymer and obtain leakage quantities by polymer.
• The fifth shows how to carry out the hotspots selection, identifying which are the most critical polymers and sectors for the plastic pollution.
• The sixth and last video presents the fundamental steps needed to perform the mapping of geographical hotspots with the QGIS tool.
• The UNEP/Ïã¸ÛÁùºÏ²Ê¿ª½±½á¹ûÏÖ³¡Ö±²¥ National Guidance for Plastic Pollution Hotspotting and Shaping Action is available in , , )

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Acknowledgements and Support

This Tutorial is an output from the Marine Plastics and Coastal Communities project (MARPLASTICCs), generously supported by the Swedish International Development Cooperation Agency (Sida).

SIDA

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Ïã¸ÛÁùºÏ²Ê¿ª½±½á¹ûÏÖ³¡Ö±²¥ also wishes to acknowledge the leadership, support and cooperation throughout of our partners at UNEP.

© UNEP

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For further information please email:

Lynn Sorrentino, Marine Programme Officer, at [email protected]

Other Resources

Ïã¸ÛÁùºÏ²Ê¿ª½±½á¹ûÏÖ³¡Ö±²¥â€™s Close the Plastic Tap programme

MARPLASTICCs project

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