Japan, a relatively energy-efficient country, has been active in combating climate change. Under the Kyoto Protocol, Japan is committed to reducing greenhouse gas emissions by 6% relative to 1990 over the period 2008-12. As of 2007, however, its emissions were up by 9%. Japan has relied...

The 2011 disaster and nuclear problems opened the door to a new energy policy, as they raised fundamental questions about the electricity system’s ability to prevent and respond to accidents. In particular, the system has had difficulty coping with the shortages caused by the accident and the...