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The average power that the sun shines on the Earth is a huge amount and more than enough to cover all of our current energy needs, even using the technology and efficiency of today, and leaving land for other uses.

You can use solar to reduce or eliminate the carbon emitted. You can use solar electricity to sequester carbon if you want. You could even make oil and pump it back into the ground.

I'm not following your rebuttal here. s1artibartfast says that the sun can provide much more power than we currently consume. The limit from your link from earlier is not a limit on how much power the sun can provide, but rather a limit on how much power we can produce before we produce too much CO2. With power production methods that produce less CO2, we won't run into that limit, and we obviously won't run into the solar energy limit.

While not readily available everywhere now, there's abundance of geothermal power beneath our feet, and not from the sun either.