Comment by leonidasrup

The ecological impact of mining and refining of rare earths, used for permanent magnets in EV motors or in electric generators - wind turbines, is quite large.

https://www.sciencedirect.com/science/article/abs/pii/S03043...

https://en.wikipedia.org/wiki/Mountain_Pass_Rare_Earth_Mine#...

Because of ecology, refining of U.S. mined rare earths was outsourced for a very long time to China. Outsourcing of ecological damage...

https://www.reuters.com/markets/commodities/mp-materials-sto...