The alternative is coal, which is responsible for the phenomenon known as acid rain. The Europeans are not very thankful to the US for that.
I'm perfectly aware of what nuclear waste does, but the difference in quantity and long-term effects isn't even in the neighborhood of being comparable. The average coal burning plant produces 40 train car loads of sulfur-rich chemicals released into the air and water system. A nuclear plant, to produce the same electricity, releases
nothing into the air or water, and produces a piece of used fuel about the size of a pencil. The spent fuel is buried where it continues to be dangerously radioactive for a few hundred years. That might sound like a long time, but consider how long many of the tombs of Egypt went undisturbed.
The fact of the matter is, there has never been a US fatality involving the production of electricity by nuclear power. Coal mining, which used to account for the majority of electricity production in the US, logged more than 33,000 deaths last century from mining alone, not counting the impact of acid rain and the destruction of plant and animal life (which in turn impacts human beings). The burning of these fossil fuels also contributes to the thinning ozone, which could potentially be attributed to a rise in skin cancer deaths.
The saddest thing about nuclear energy is that there would be zero long-term waste products if the government would permit the used fuel to be recycled. We use less than 1% of the energy stored in our uranium. If recycled, we could theoretically use it all, and never have to worry about generating electricity again. Because Jimmy Carter didn't understand the science behind the fission of uranium and its byproducts (plutonium), and the unfounded fear that terrorists could make a bomb out of it, we're prohibited from recycling the fuel.
There's a very excellent FAQ on this here:
http://www.pbs.org/wgbh/pages/frontline/shows/reaction/etc/faqs.html You might have to brush up on your chemistry a little, but it's fairly easy to grasp.
Bottom line: waste shouldn't be an issue, but even with the amounts we have to deal with, it sure beats the slow death that other forms of electrical generation produce.
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Jeff
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