http://www.cnn.com/2012/05/07/world/asia/japan-nuclear-energy-ends/index.html?hpt=hp_c1
- Japan closed down its last operating nuclear reactor on Saturday
- Final shutdown follows a swing against nuclear energy after the Fukushima meltdowns last year
- Thousands marched through Tokyo Saturday to celebrate the final closure
- Government has warned that summer energy demand may prompt rolling blackouts