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It's not renewable in any sense of the word! Renewable doesn't mean "clean" (and there's an argument to be made that nuclear isn't even clean, but I digress).

Renewable means an energy source that literally renews itself. To avoid breaking the second law of thermos that implies there is an energy source (Sun) that recharges the renewable energy source with energy that would otherwise be wasted, therefore, you cannot net consume the resource.

In the case of wind and sunlight there is no net consumption of the resource because they'd otherwise be wasted (assuming you put solar over a parking lot and not over fertile land).

Nuclear cannot be renewable because fissile elements don't renew themselves (well, not without a supernova). We can extend the usefulness of the fuel with advanced reactors, but eventually all nuclear fuels, be they fast, thermal, fission or fusion end up with the most stable isotope of Fe - the most stable isotope.

In fact, fossil fuels are infinitely more renewable than nuclear fuels since eventually the biosphere dies, decays and some of material gets geologically captured to become fossil fuels (in geological timeframes).

There are (at least) two energy sources that are definitely not renewable: - Nuclear - Tidal (when we extract energy from a tide, the moon looses potential energy)

[tomp]

Sun is powered by nuclear power.

[fdgdsagfsg]

And it isn't renewable either.