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Uranium Supply Decline Clouds Nuclear Power's Future

By Charles Q. Choi, Special to LiveScience

Declining uranium supplies suggest nuclear power is not the magic bullet some might have hoped for to replace fossil fuels.

By burning fossil fuels, conventional power plants and vehicles factor in to global warming by emitting carbon dioxide, a greenhouse gas that traps heat from the sun.

Advocates of nuclear power suggest it could help prevent global warming, since nuclear plants generate electricity without releasing carbon dioxide.

But critics of nuclear power have for decades linked it with dangers such as radioactive waste and nuclear weapons. There also remain fears that nuclear plants could undergo catastrophes such as a meltdown, as seen with Chernobyl, or a terrorist attack.

Now it seems that mining uranium, which nuclear power depends on, could be even less environmentally friendly and more costly than critics say, according to a new analysis led by Gavin Mudd, an environmental engineer at Monash University in Australia.

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