Nuclear Energy Agency purposes."" NEA currently consists of 33 countries from Europe, North America and the Asia-Pacific region. In 2017 Argentina and Romania accessioned to NEA as its most recent members. Together they account for approximately 85% of the world’s installed nuclear capacity. Nuclear power accounts for almost a quarter of the electricity produced in NEA Member countries. The NEA works closely with the International Atomic Energy Agency (IAEA) in Vienna and with the European Commission in Brussels. Within the OECD, there is close co-ordination with the International Energy Agency and the Environment Directorate, as well as contacts with other directorates, as appropriate.
International Atomic Energy Agency power has made it a target for protests". The journal "Nature" has reported that the IAEA response to the Fukushima I nuclear accidents in Japan was "sluggish and sometimes confusing", drawing calls for the agency to "take a more proactive role in nuclear safety". But nuclear experts say that the agency's complicated mandate and the constraints imposed by its member states mean that reforms will not happen quickly or easily, although its INES "emergency scale is very likely to be revisited" given the confusing way in which it was used in Japan. Some scientists say that the 2011 Japanese nuclear