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Ocean Alkalinity enhancement: Sustainability and Impacts across Scales

Objective

Ocean Alkalinity Enhancement (OAE) is a marine Carbon Dioxide Removal (mCDR) technique that may have a significant role in facilitating large scale CO2 removal to substantially reduce global warming and ocean acidification. However considerable uncertainties and knowledge gaps remain regarding its efficacy, technological and economic viability, its environmental and ecological impacts and its governance. The OAeSIS project addresses these concerns by:
- Identifying the social, ethical and governance constraints on OAE deployment, enabling actor-specific principles and best practices for the co-design of OAE initiatives
-Improving understanding of the biogeochemical processes and interactions of OAE deployment, and how they may affect its efficiency
- quantifying the scaling potential of OAE and its climate change mitigation capacity
- quantifying the impacts of OAE on key species, communities and biodiversity, including interactions with other marine ecosystem stressors
- assessing the feasibility and sustainability of OAE as a tool to counteract climate change and ocean acidification
To achieve these goals OAeSIS engages a diverse, interdisciplinary team of leading experts in law, governance and socio-economic assessments of the climate-biodiversity and ocean nexus, laboratory and field studies on the biogeochemistry of OAE, the stressors that affect individual organisms, communities and biodiversity, climate and biogeochemical modelling, integrated assessment modelling and life cycle assessment. Combining and integrating this expertise will enable us to simultaneously improve scientific knowledge, provide understanding and guidance on social acceptance, regulation and governance, and increase the policy relevance of our outputs. In doing so we will advance our ability to evaluate the benefits and impacts associated with OAE, enabling informed decision and policy-making regarding the potential application of this leading mCDR approach as a climate mitigation tool.

Fields of science (EuroSciVoc)

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Funding Scheme

HORIZON-RIA - HORIZON Research and Innovation Actions

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Call for proposal

(opens in new window) HORIZON-CL6-2025-02

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Coordinator

FONDAZIONE CENTRO EURO-MEDITERRANEOSUI CAMBIAMENTI CLIMATICI
Net EU contribution
€ 1 222 505,50
Total cost
No data

Participants (8)