Demographic history of Japan before the Meiji Restoration papers of the Shōsōin (8th century) and others, as well as remnants of specific periods. Since Kyōto (or Heian-kyō) became the capital of Japan in 794, it has been one of the most important cities in Japan. Hiraizumi and Kamakura flourished under Northern Fujiwara clans (during 12th century) and Kamakura shogunate (1192 to 1333), respectively. The urban area of Kyōto suffered from the Ōnin War (1467 to 1477) and split into two districts, but coalesced into a great city of more than 400,000 inhabitants after the end of Sengoku period. The Christian missionaries led by Francis Xavier reported that the
Climate change in South Korea dependent on manufacturing which emits a lot of carbon dioxide. Also, it will eventually increase the production cost, resulting in South Korean companies to becoming less competitive then than other global companies. Therefore, Korean companies are now investing in developing new technology that will effectively reduce CO_2 while also constructing a cooperation agreement to share its new technologies and reinforce its eco-friendly campaign. Green IT is a response to climate change and energy savings that will solve the pending issues between the other countries involved in the campaign. Therefore, countrywide comprehensive and systematic policy formulation and project implementation is needed.