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Companies are rushing to California in search of the valuable metal, lithium.
They've moved to the Salton Sea Lake area to find the best way to mine lithium while being eco-friendly.
Lithium's needed for rechargeable battery production.
Currently, the majority of lithium in the US comes from overseas.
However, Controlled Thermal Resources is one company that wants to stop this.
It's digging a 2,300 metre well to mine the lithium.
Jim Turner is the chief operating officer.
Fossil fuels are becoming unpopular and many countries are demanding electric vehicles.
This has increased the need for lithium and is increasing the market size.
Salton Sea Lake was a popular attraction for Hollywood superstars and spectators of boat racing.
However, the lake and its surroundings have started drying up because of climate change.
This has released dangerous dust which has caused the most cases of breathing problems in the US.
Researchers run regular checks on the lake to make sure lithium mining doesn't worsen the situation.
Charles Diamond is a member of the research team.
