Yomiuri Shimbun: Rivers will become 50 to 75 percent more liable to flood by the end of the century due to an increase in torrential rains caused by global warming, according to a provisional calculation by the Construction and Transport Ministry. This raises questions over whether the government will be able to sufficiently respond to the problem simply by taking conventional measures such as expanding banks and dams. The government might need to adjust town planning on the assumption of possible …