--> Seagriculture Conference USA 2022 speaker: Jean-Baptiste Thomas

Seagriculture Speaker

Seagriculture USA

7 - 8 September 2022

Portland, ME, USA

Seaweed and climate impacts – a systems perspective and comparison with other foods

Jean-Baptiste Thomas, Researcher, KTH Royal Institute of Technology, SE

About the speaker:

A researcher at KTH Royal Institute of Technology, department of sustainable development, environmental sciences, and engineering. His research aims to contribute to a resilient, sustainable, and low carbon blue growth in the coming decades. His doctoral research in Industrial Ecology focused on the sustainability of the burgeoning Swedish seaweed sector thereafter shifting to include other low trophic marine biomass (wild and cultivated). His focus today is to support socio-economic and environmental supply chain scaling and optimization of industry actors, notably from a carbon, energy, and nutrient perspectives, while also looking at the potential of marine biomass to contribute to circular economies, especially for phosphorus.


Amongst the recent studies on the climate impacts and benefits associated with farmed and wild seaweed, few have sought to account for emissions across the whole supply chain, from cradle to grave. This presentation presents a review of climate impacts from farmed kelp LCAs (Life Cycle Assessments), puts these emissions in context by comparing kelps’ climate performance and nutritional values with other common foods, and concludes with a systems approach to the climate impact accounting of farmed seaweed based on established research in LCA and carbon accounting of bioenergy and forestry products.



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