Fukushima: 'Nuclear power and humans cannot coexist' – video

On 11 March 2011, the strongest earthquake in Japan’s history caused a giant tsunami that killed more than 18,000 people along the country’s north-east coast. It also triggered a triple meltdown at the Fukushima Daiichi nuclear power plant that will take four decades to clean up at a cost of tens of billions of dollars. As Japan prepares to mark the fourth anniversary of the 3/11 disaster, the Guardian talks to key figures from the most critical days of the Fukushima crisis and to some of the tens of thousands forced to evacuate their irradiated communities and who continue to live in nuclear limbo