Social Sciences and Economics

In addition to assessing the technical feasibility and ecological impacts of alkalinity enhancement (AE), the investigation of socio-economic parameters is also part of the work in RETAKE. For example, costs and energy requirements for mining, production, transport and introduction of alkaline materials into the ocean are compared to the resulting CO2 removal and evaluated with regard to the potential contribution to achieving greenhouse gas targets (WP1.1).

In order to assess the economic and climate policy potential of AE compared to other emission avoidance measures and CDR (Carbon Dioxide Removal) methods, it will be investigated how AE can be converted into CO2 credits (WP3.3).

Another important socio-scientific aspect is the assessment of impacts on global food security and distributive justice. If AE were to change the productivity of fish stocks, this would not only have regional impacts, but would also affect food availability and fisheries incomes worldwide due to global trade. For this reason, RETAKE is investigating possible direct and indirect impacts of AE on fisheries, both regionally in the North Sea and the Baltic Sea, and globally and with regard to the UN Sustainable Development Goals (WP3.4).

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