1. No, there is absolutely no hint of any danger of extracting too much heat, no matter what random problem you make up. Really.
2. A 10km deep hole gets you 1/600th of the way to the center of the planet, much less than e.g. the skin of an apple or the enamel on a billiard ball. So, it would tell you nothing about stuff deeper, never mind bollocks it.
3. Geothermal energy is not a major growth sector even where heat is right near the surface. Geothermal, like nukes, costs too much to ever be competitive again.
Wind & solar cost less already, and get much cheaper every year. There is no need for, or value in, more expensive alternatives. It is a good thing that solar and wind are simple and uninteresting.
Places where both wind and solar do not suffice can continue importing fuel, as they do today, indefinitely. Eventually, it will be synthetic, or delivered by transmission lines. Tropical solar farms will synthesize ammonia for export.
1. No, there is absolutely no hint of any danger of extracting too much heat, no matter what random problem you make up. Really.
2. A 10km deep hole gets you 1/600th of the way to the center of the planet, much less than e.g. the skin of an apple or the enamel on a billiard ball. So, it would tell you nothing about stuff deeper, never mind bollocks it.
3. Geothermal energy is not a major growth sector even where heat is right near the surface. Geothermal, like nukes, costs too much to ever be competitive again.
Wind & solar cost less already, and get much cheaper every year. There is no need for, or value in, more expensive alternatives. It is a good thing that solar and wind are simple and uninteresting.
Places where both wind and solar do not suffice can continue importing fuel, as they do today, indefinitely. Eventually, it will be synthetic, or delivered by transmission lines. Tropical solar farms will synthesize ammonia for export.