lithium
Lithium could help us ditch fossil fuels. But mining is messy.
The essential element could help us eliminate fossil fuels. But we need to find better ways to mine it.
Idea alert
Mike Moffatt considers how much it would cost to increase the lithium levels in drinking water, and how much might be gained as a result.
Will electric cars ignite a lithium boom?
Some suggest the lithium supply could eventually be tighter than oil is today