BBC: Rising sea levels and more storms could mean that parts of at-risk cities will need to be surrendered to protect homes and businesses, a report warns. The authors say that “radical thinking” is needed to develop sea defences that can cope with the future threats. About 10 million people in England and Wales live in flood risk areas. The project, launched on Friday, is a joint venture between the Institution of Civil Engineers (Ice) and the Royal Institute of British …