Japan's Cabinet formally adopted a policy on Friday that will allow for the operation of nuclear reactors beyond their current 60-year limit alongside the building of new units to replace aging ones as part of efforts to cut carbon emissions while ensuring adequate national energy supply. Public sentiment turned sour over the use of nuclear power as a national source of energy following the Fukushima nuclear accident in March 2011 that was triggered by a massive earthquake and tsunami. Related coverage:Takahama nuclear reactor in Japan's Fukui halted after alert goes offAcquittal upheld for ex-TEPCO execs over Fukushima nuclear crisis