Benchmark of Plastic Hotspotting Methodologies

There is currently no standardized way to measure the extent of the plastic problem. Although there are various methods and tools to assess plastic pollution, it is difficult amongst others to measure how much plastic is entering the oceans and thus to compare this. Only when decision-makers have credible, meaningful, and legitimate data they can estimate and analyze the current state of the issue, set measurable goals, implement effective actions, and track progress towards set goals over time to tackle the problem of plastic pollution at source.

The purpose of this report is to conduct a review of the existing methodologies which assess plastic waste flows and leakage into the environment and more specifically, plastic leakage into waterways and entering oceans and seas.

 

By developing a comparative framework, the reader can find support in identifying the methodology which best enables monitoring projects or national programs to be assessed within their context of application and in terms of their added value for preventing plastic pollution and marine litter.

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Arnaud Dauriat

Managing Director 

 

Leadership, Sustainability Strategy, Life Cycle Assessment, Business Growth, Innovation, Stakeholder Engagement

Arnaud Dauriat is a seasoned sustainability leader with over 26 years of experience guiding organizations toward environmentally responsible and science-based business models. With a Master’s degree in Environmental & Earth Resources Engineering from Imperial College London, he has built a career at the intersection of strategy, impact, and operational excellence.

 

Arnaud began his career as a researcher and lecturer at EPFL before co-founding ENERS Energy Concept, where he developed expertise in life cycle assessment, bioenergy, and energy policy. In 2011, he joined Quantis, where he managed major client projects in the food, beverage, and construction sectors and contributed to large-scale EU-funded initiatives.

 

As Managing Director of Quantis Switzerland from 2015 to 2024, Arnaud scaled the company’s revenue fivefold and its workforce threefold, driving both business success and sustainability impact. More recently, as Global Chief of Staff at Quantis, he drove internal transformation programs and pioneered the integration of Generative AI into business processes.

 

Passionate about collaboration, innovation, and impact, Arnaud continues to inspire teams and stakeholders to embrace sustainable value creation.