Sounds perfect except for “That obsidian-like slag contains toxic
heavy metals and breaks down when exposed to water,” claims Brad Van
Guilder, a scientist at the Ecology Center in Ann Arbor, Michigan,
which advocates for clean air and water. “Dump it in a landfill, and
it could one day contaminate local groundwater.”
But surely it is easier and safer to handle and store than nuclear
waste.
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