"Ironically, nuclear power is probably the best short-term practical solution to reducing fossil-fuel CO2 contributions to the atmosphere." Wrong
The best near-term solution is given here:
Sea Solar Power
Much of the details of the heat exchangers is secret until the patents are granted. What I can tell you is that heat transfer efficiencies of eight times the standard book values have been achieved in actual tests. I have held this miraculous heat exchanger material in my own hand. The surface area is incredibly large when compared to ordinary heat exchanger surfaces.
David F Mayer