Jonathan BridgeUniversity of Liverpool Is Recycled Sewage a Water Solution? Opinion The amount of water at the Earth’s surface is pretty constant, but in many parts of the developed world we are running out of the right sort of water, and our ability to access it. Opinion Fukushima's Ice Wall Makes Sense Opinion Engineers at Fukushima nuclear power plant have been trying to create a £185m ice wall to isolate contaminated water from mixing with groundwater. By Jonathan Bridge Published 22 July 14 Opinion