As pleasure boats have become widely used in Japan, the number of marine accidents has tended to increase as well. In the "Review Committee on Constructing a Safe-Use Information System for Pleasure Boats," discussions have been started on the framework of a system that can effectively provide pleasure boat users with information about safety and convenience required for the users in a situation when they really need such information.

Impact of the worst-case accident accompanied with the Sakhalin oil development on the environment and disaster prevention aspects have been already estimated as a nation, and necessary countermeasures have been taken. However, it is considered to be necessary to make efforts to collect the required information, establish the needed institutional systems and schemes, implement the necessary studies and training, as well as to actively address review regarding each of the established items, without being complacent that these countermeasures are enough good, and with a basic concept that "Large-Scale Oil Spill accidents are going to occur."
Selected Papers No.6(p.23)

If global warming proceeds, the sea level would rise and inhabited areas would be finally submerged and hence human beings would lose their living places to ruin. However, human beings can still hope to survive by manufacturing a modern version of Noah's Ark. A Noah's Ark that can accommodate six billion persons aboard should be called a "Giga-Float," surpassing a Mega-Float.