The return of Minamata disease - Marine pollution of plastic waste becomes serious 2

increase 500 billion copies a year. The pet bottle is consumed one million per minute as a beverage container. In developed countries, the aim is to stop using plastic straws and to improve recycling, but these disposable products are only 9%. Efforts have been made to reduce disposable plastics over and over again, but the status quo continues to increase rather than decrease. The shopping bag used in the convenience store has increased recently, too. Though it is a developing country to put out a lot of plastic garbage, China which has imported the waste plastic of the developed country up to now also started the restriction. In addition to the measures of only one country in the developed countries, as well as global warming measures, it is now being demanded by the world-wide approach. From the conventional petroleum-based plastic as a part of the plastic waste measures the creation chance of new industry of green PLA, the movement of promoting the use of paper and biodegradable plastic (green plastic) derived from natural plants has come out. In the development of new materials, Japan of the world's top runners, material development makers are facing a big business opportunity. Eco-friendly green plastic technology has already been seen as standby. The scale of GDP (gross national product) competing on the extension of human desires is at a marginal value. There were countries that had previously cut down tropical forests and exported timber to expand their GDP. On the other hand, countries that have reduced green and forest resources have long stalled in the country's power. We are now seeking to break away from the conventional supremacy of GDP.