Tokyo has enacted a measure to cut greenhouse gases. Governor Shintaro Ishihara created Japan's

Tokyo has enacted a measure to cut greenhouse gases. Governor Shintaro Ishihara created Japan's first emissions cap system, aiming to reduce greenhouse gas emission by a total of 25% by 2020 from the 2000 level.[55] Tokyo is an example of an urban heat island, and the phenomenon is especially serious in its special wards.[47][56] According to the Tokyo Metropolitan Government,[57] the annual mean temperature has increased by about 3 °C (5.4 °F) over the past 100 years. Tokyo has been cited as a "convincing example of the relationship between urban growth and climate."[58]In 2006, Tokyo enacted...

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