io9 - A History of Uranium, the Rock That Nuked the World - Uranium: "Uranium was considered a useless material until very recently in human history, when it quite literally exploded into the public consciousness. Tom Zoellner's engaging new book Uranium reveals how this once-humble element transformed human civilization."
This might be useful to read a bit later. Nuclear power is very Green. If it were legal to reprocess the waste there would be a lot less of it.