I will ignore the comments you make about me and my knowledge, as you do
not know.

If we produce all of our energy from nuclear sources where do you
imagine the 'waste' energy will go? Out into space? The waste energy
from renewables would have been here anyway. If you know theromodynamics
as you allege you will know that all processes produce a high percentage
of non-usable energy dependent on the start and finish temperatures.