Seawater minerals could power humanity for millennia

⚡ AI Executive Summary

Researchers have identified that a small fraction of global seawater reserves vast quantities of critical minerals essential for energy infrastructure, raising the prospect of nearly unlimited supplies for multiple centuries. The findings suggest that ocean-based extraction could fundamentally reshape resource constraints in the energy transition. However, the viability of large-scale seawater mineral recovery depends on developing economical and environmentally sound extraction technologies. For grid operators and utilities planning long-term infrastructure investment, this research implies that traditional supply chains for battery materials, rare earths and other energy-critical elements may be disrupted or supplemented by marine sources—potentially stabilizing commodity prices and reducing geopolitical dependencies. The challenge now lies in engineering scalable, cost-competitive processes before such resources become critical to meeting mid-century decarbonization targets.