the real problem about energy is that it's the biggest market on the planet, and as you know, market rules do not work to the advantage of mankind, but to the profit of few..
We do have alternative routes to follow: cold fusion is not a chimera as it used to be, and there are newer and more efficient techniques to be used in terms of nuclear energy.
Renewable energy is a modest patch up, it's not as reliable as others and still needs costly maintenance.
The real first, big step we should all do is reducing our consumption: I'm sure that if you look around yourselves right now you can find a lot of examples of unnecessary energy waste (AC transformers, lights on, PCs on that don't really need to be..). You know how many office kitchens have boilers that boil water 24/7? All that for a bit of coffee and tea?! We really really need to change our attitude towards energy consumption before pointing our fingers at the yet most efficient form of energy making.
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