Macro-level economic and environmental sustainability of negative emission technologies; Case study of crushed silicate production for enhanced weathering

Eunice Oppon, Justin S. Richter, S.C. Lenny Koh and Hellen Nabayiga

Ecological Economics, 2023, vol. 204, issue PA

Abstract: Enhanced weathering (EW) involves application of crushed silicate rocks on croplands to capture CO2. Although research on EW is gaining traction, the missing elements in the literature however are the supply chain sustainability impacts associated with large-scale production and deployment of crushed silicates for EW purposes. The need to conduct sustainability assessments for EW systems in addition to validated technical feasibility remains a relevant research gap. In this work, the potential economic and environmental impacts associated with production of crushed silicates is assessed for eight countries, belonging to two separate groups: emerging economies (Brazil, Russia, India, and China) and developed economies (USA, UK, France, and Germany).

Keywords: Sustainability; Supply chain impacts; Input-output; Enhanced weathering; NETs (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecolec:v:204:y:2023:i:pa:s092180092200297x

DOI: 10.1016/j.ecolecon.2022.107636

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