What Happens with No Nuclear Power?

As the continues, Japan could prove to be an interesting test case.

Before last year's tsunami and nuclear power plant meltdown, more than 30 percent of Japan's electricity came from nuclear reactors. On Saturday, the nation closed the last of its 50 nuclear plants for maintenance, according to an Associated Press article.

So far, no plant closed for maintenance since the tsunami has reopened, and that has some Japanese officials antsy. They worry about the nation's increased dependence on oil, and a resulting rise in carbon emissions and air pollution.

Similarly, this year's , which could extend into the summer, has officials scrambling for other power sources to keep Southern California air conditioners humming.

And a when it expires in 2022 raises long-term questions about Southern California's energy future.

Click here to read the full story on Japan's nuclear power situation.

And use the comments to tell us how you think California would fare without nuclear power -- and what alternative(s) could realistically replace it.