Seven-Eleven Japan will grow vegetables for its own salads products sold at convenience stores by establishing a plant factory in Tokyo, reported Nikkei Asian Review. Seven-Eleven is the largest convenience store operator in Japan and it began the project in order to reduce the supply risks caused by weather. The indoor farming facility will be set up in Kanagawa Prefecture to produce lettuce for stores in the Greater Tokyo Area. (Image: Osram) According to the report, the facility will cost about 6 billion yen (US$53.3 million) and is scheduled to operate in J...