[pm90]

You make a good point. But one should add that:

A) Nuclear power is not available to all countries

B) No country operates in isolation. so e.g. if Australia decided to convert 100% to nuclear energy but other countries opposed it, they could impose sanctions (e.g.)

[wbl]

The NPT gives all countries the right to civilian nuclear power in exchange for an inspection regime.

[pm90]

Interesting point! I had not known that the NPT gave access to Nuclear energy to signatories.