WORLD MATERIALS CENTER
Sources
Primary-source references supporting our research briefs.
SOURCE LEDGER
Dates and context matter.
Accessed 9 November 2026. Sources may change; this is a dated research snapshot.
Source: IEA — Global Critical Minerals Outlook 2026. 16 July 2026. Accessed 9 November 2026.
Source: UNEP — Global Resources Outlook 2024. 1 March 2024. Accessed 9 November 2026.
Source: EC — Digital Product Passport FAQs. Undated; checked 9 November 2026. Accessed 9 November 2026.
Source: WS — Life cycle assessment in the steel industry. Undated; checked 9 November 2026. Accessed 9 November 2026.