Last week the preliminary findings from the Royal Commission into the Nuclear Fuel Cycle handed down by commissioner Kevin Scarce in South Australia indicated that the development of a high-level nuclear waste dump would bring in billions of dollars and create thousands of jobs.

Both major parties will await the royal commission's final report before formally responding, but neither has ruled out support for a waste dump in the state. But what is the proposal, and why do we need a waste dump in South Australia? And who are the loudest voices in this debate?