this post was submitted on 03 Oct 2023
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Eh, we can store salt in old mines with very little ecological damage. Hell put it in salt mines and we would have no ecological damage.
The real issue which we're on the cusp of solving is the energy cost and scalability in combination. We have low energy solutions that don't scale and large scale solutions that have enormous energy costs. This one falls in the former category it seems but I think we're at most a decade away from solving this.