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Article History

Received: 22 September 2023

Revised: 22 September 2023

Accepted: 22 February 2024

First Online: 10 April 2024

Declarations

:

: We declare that we have no conflict of interest with in the field of scandium, nor any vested interests. Both authors have no connections to any military use of these material and work from a fully academic perspective of system dynamics and aspects of sustainability.

: Harald Ulrik Sverdrup developed the scandium module for the WORLD7 model. Harald Sverdrup wrote up the first draft, analyzed the scientific literature and did the initial simulation runs. Antoniy Elias Sverdrup cooperated in developing the sensitivity set-up, made model runs, and participated in writing the manuscript. Both authors worked on the revision of the manuscript, and to correct the proofs.Dr. Anna Hulda Olafsdottir at the Icelandic Meteorological Institute, Reykjavik, Iceland, participated in developing earlier stages of the zirconium and hafnium model development for this work. She participated in earlier versions of the manuscript and is one of the main developers of the WORLD7 model and its principles during 2015–2021.Dr. Deniz Koca and Harald Sverdrup were instrumental in developing WORLD6, starting from World3, with the intermediate models WORLD4, WORLD5 for use in the SIMRESS project for the German Government.

: The work presented is original research work by the authors. Every word of the text come straight from the authors hands, and no text was copied, and no Artificial Intelligence-driven Language models were used.