While nuclear is finite, we have enough for tens of thousands of years if we use breeder reactors: http://www.scientificamerican.com/article/how-long-will-globa

While nuclear is finite, we have enough for tens of thousands of years if we use breeder reactors: http://www.scientificamerican.com/article/how-long-will-global-uranium-deposits-last/ http://www.scientificamerican.com/article/how-long-will-glob... And it is also true that the extraction and refining is completely dependent on fossil fuels, but so are renewables.