A small moment of peace between all the stampeding and playing
We need to do both of those things. Mindless consumerism aside, the best option to solve our base energy needs which are not frivolous (infrastructure, healthcare, education etc etc) is nuclear.
For those advocating an all renewable energy grid. You cannot reliably power big industrial factories and infrastructure with renewables only. The answer NEEDS to be: nuclear as a base, and a heavy push towards decentralized renewable grid on top.