I believe the world needs nuclear power; there is at the moment no viable alternative.

As Fukushima is about to show rather dramatically, all nuclear power does is transfer fossil fuel energy from one place and time to another, very expensively. Nuclear power stations are simply expensive and dangerous batteries.

Making cement costs an immense amount of fossil fuel energy, which has to come from coal. Add in the costs of mining, fuel processing, and structural steel, and the up-front energy input to a nuclear plant is a large fraction of the energy it will ever generate. Add in the costs of waste disposal and decommissioning, and it's unlikely any nuclear plant has every been a nett energy producer. Add in the costs of entombing a mess like Fukishima in something that will make the Pyramids look like a privy, and nuclear power becomes a catastrophic waste of fossil fuel energy the world can't afford.