Thankfully we have relatively very little. Radioactive Waste Repository & Store for Australia Appendix to Australia's Uranium paper (Updated November 2016) http://www.world-nuclear.org/information-library/country-profiles/countries-a-f/appendices/radioactive-waste-repository-store-for-australia.aspx I wondered if there was any new stuff re storing/disposing of nuclear waste. Looks not. Storage and Disposal of Radioactive Waste (Updated October 2018) https://www.world-nuclear.org/information-library/nuclear-fuel-cycle/nuclear-waste/storage-and-disposal-of-radioactive-waste.aspx