Tech News 1: Demand for rare minerals and metals creates eco-dilemma

[bob_turner]

According to the International Energy Agency (IEA), the demand for so-called critical raw materials (CRMs) will increase sevenfold by 2050. The reason for this is that our green, renewable energy technologies require far more metals and other materials than those used to supply fossil energy. The electric cars that carry us from A to B will require six times more minerals than our traditional petrol-driven cars, and the wind power technologies that provide us with renewable electricity will be demanding...

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