Figure 2: ECA analysis, based on Commission information, European Court of Auditors, special report 04/2026 2.2 Maximising value extraction from brownfield assets Given protracted greenfield timelines, optimising productivity from existing operating assets offers the most immediate pathway to supply expansion. Proven interventions include: •High-resolution geophysical and geochemical modelling enabling precise orebody delineation and selective mining. • Mine-to-mill integration platforms that synchronise drilling, blasting, and comminution for optimal fragment size distribution and downstream recovery (UNECE, 2024). • Tailings reprocessing and secondary resource recovery circuits converting historical waste into commercial metal streams. These interventions simultaneously expand effective supply while substantially lowering the environmental intensity per tonne of contained metal—aligning productivity imperatives with sustainability obligations. 2.3 Midstream processing: Reclaiming sovereign capacity Europe confronts an acute processing bottleneck: strategic metals routinely exit the continent in concentrate form only to return as refined intermediates or finished products. The CRMA strategically prioritises regionally integrated processing hubs leveraging Europe’s abundant clean energy resources, delivering dual benefits of enhanced supply security and substantially improved carbon footprints. Emerging process innovations—low-acid hydrometallurgy, bioleaching cascades, and solvent extraction intensification—demonstrate potential to slash reagent consumption by 50% or more while eliminating legacy smelter emissions profiles. Deploying modular, low-impact facilities constitutes CRMA’s most direct route toward metallurgical sovereignty. 2.4 Circularity: Engineering secondary supply streams While primary extraction remains irreplaceable at scale, the CRMA positions urban mining and secondary recovery as systematic supply supplements—particularly for high-value copper, nickel, cobalt, and rare earth circuits. Priority interventions encompass: • Closed-loop collection architectures for LIBs, e-waste, and industrial catalysts achieving >95% material capture rates. •AI-enhanced spectroscopic sorting coupled with pyrometallurgical pre-treatment for high-purity feedstock generation. • Direct recycling protocols preserving cathode active material crystal structure for >90% recovery efficiency. Secondary streams demonstrably cut life-cycle emissions by 60-90% versus primary routes while stabilising supply amid primary market volatility—reinforcing Europe’s Green Deal industrial logic. 191
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