Guardian: In fading light and just a stone's throw from the most terrifying scenes during Japan's worst nuclear accident, engineers resumed their race against time to defeat the next big threat: thousands of tonnes of irradiated water.
If all goes to plan, by next March Fukushima Daiichi's four damaged reactors will be surrounded by an underground frozen wall that will be a barrier between highly toxic water used to cool melted fuel inside reactor basements and clean groundwater flowing in from surrounding...