
A Sustainable Future Prof. Saleem Ali, University of Delaware, on the Global Scramble for Rare Earths and Critical Minerals
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Apr 29, 2025 Professor Saleem Ali from the University of Delaware discusses the global dynamics of rare earths and critical minerals, emphasizing the political and economic pressures shaping supply chains. He highlights the transition from fossil fuels to renewable energy, revealing the resource demands and environmental implications involved. Ali advocates for a circular economy and proposes a mineral trust to ensure equitable access and sustainable practices. The conversation also touches on the role of blockchain in enhancing traceability within resource management.
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Greenland’s Strategic Minerals History
- Greenland’s cryolite mine was strategic for WWI and WWII aluminum production with US-Denmark collaboration.
- Greenland's recent autonomy allows potential new US resource alliances.
Distinguishing Resource Types
- Ukraine’s mineral wealth estimates often confuse geological resources with economically viable reserves.
- Independent assessment and science diplomacy are essential for realistic resource development.
Price Signals and Mining Investments
- High metal prices can stimulate mining investments but time lags and technological shifts complicate outcomes.
- For example, battery tech shifted to less cobalt-intensive chemistries amid demand surges.



