The waste left over from spent fossil fuel may contain a treasure trove of rare-earth elements worth billions of dollars.
In a 2024 paper, geologists calculated that the waste ash from coal burnt in fossil fuel power plants may contain as much…

The waste left over from spent fossil fuel may contain a treasure trove of rare-earth elements worth billions of dollars.
In a 2024 paper, geologists calculated that the waste ash from coal burnt in fossil fuel power plants may contain as much…