Two news items today (i) Japan's Nuclear Safety Agency will be transferred from the Ministry of Economy, Trade and Investment (METI) to the Ministry of Environment; and (ii) legislation has been drafted to make the government responsible for cleaning up the fallout from the troubled Fukushima nuclear plant, drew my attention to the massive task ahead in cleaning up the thousands of tonnes of solid waste, contaminated debris, and floating debris, still remaining from the triple disaster some 5 months ago.