there was an assertion that nuclear energy does not help in the battle
against global warming as it generates more CO2 during mining and fuel
fabrication that it saves during power generation.
most authoritative study we can find is provided by the British
Government's Energy Technology Support Unit which shows that nuclear is
the cleanest per unit of electricity produced over its life cycle,
taking into account mining, processing and transport. The figures which
have been confirmed by the OECD are: