Green Nanotechnology: Sustainability with every nanometer” will be the topic of nano tech 2010 International Nanotechnology Exhibition and Conference from February 17-19, 2010 in Tokyo. As an opportunity for foreign researchers and companies to present new research results and technological developments related to Green Nanotechnology, the organizer of nano tech 2010 decided to hold a Poster Session together with the regular exhibition at Tokyo Big Sight. The attached Call for Papers addresses to foreign researchers, but also companies who would like to present their work to an expected number of 50,000 visitors from world leading research institutes and high tech companies. According to the main topic of nano tech, posters should deal with environmental aspects of nanotechnology. Abstracts should be submitted by December 4, 2009 nanotech executive committee members will review the submitted abstracts for acceptance. For details please see the nano tech 2010_Call for papers.pdfattached PDF.