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Re: Nuclear waste, I've often wondered... [View all]
There are subduction zones on the ocean floor where ocean crust is pushed down and continental crust rides up over the top of it.
Anything at the bottom of a subduction trench gets pulled deep into the molten mantle where it is melted and isolated from the surface for at least millions of years, and at most, essentially forever.
What would be wrong with sealing atomic waste against leakage and dropping it into subduction trenches? It's not just temporary storage, but permanent removal from the surface of the planet.
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