[lepton]

The other catch is that it's likely that speeding up the natural process would necessarily involve our *adding* energy to the system

Maybe we can use nuclear power for that... :)

[aruanan]

Maybe we can use nuclear power for that... :)

With fast breeder reactors, we can have all the electric power we'll need for tens of thousands of years.

[js1138]

Maybe we can use nuclear power for that... :)

Radioactive decay is already the energy source keeping the earth's interior hot. I'm not sure what more heat would contribute.