There will be “no damage whatsoever” to the environment from the discharge of seawater used to cool the broken reactors at Fukushima nuclear plant, the head of the UN atomic energy agency, Rafael Grossi, has insisted. 

Although people’s concerns are totally justified, it is also worth bearing in mind that the filtering process used to strip the water of radioactive elements is used at nuclear power stations all around the world – as Mr. Grossi tells UN News’s Daniel Johnson.