The first prefecture to be certified, Yamanashi is also the largest certified forest in Japan, with 143,000 hectares of the approximately 158,000 total hectares in the prefecture, assessed for certification.
With a population of 890,000, Yamanashi is near the center of Honshu, the main island of Japan, and less than two hours by train from Tokyo.
Forest cover within Yamanashi prefecture is 78 percent of the prefecture's total land area, while the prefectural forest is the second largest in Japan.
Yamanashi is a mixed rural and urban area, located in the center of Japan.
Within the Yamanashi prefecture, 40 neighborhoods were randomly selected by postal code, with a random selection of 33 individuals within each of those neighborhoods.
The Yamanashi evidence, taken together with research done in North America and Europe, shows that the Internet is not a self-contained transcendental world but is immanent in everyday life (Wellman and Hogan, 2004).