Photosynthesis gobbles up available CO2, so there is a pre-industrial 2 parts per million in the afternoon air around the world. Except in the Arctics, where there is 4ppm, and air temperatures of -50oC, in the Arctic winter.
A plasma burn does massive heat generation
1 H2O+PL->E3+L+X-ray no solid, hyper toxic radioactive waste.
A 50x1cm steam plasma tube at 4 atmospheres generates 2.4MW of heat. Generate 288kW of carbon free power – and use the 580oC air, to heat a neighbourhood.
Each uranium nuclear plant needs annual insurance cover of 100 billion: it carried 50 million. ERGO all nuclear power is illegal, and should STOP.