Editing Tokyo (section)

==== Environmental policies ====
{{Update section|date=May 2024}}
Tokyo has enacted a measure to cut greenhouse gases. Governor [[Shintaro Ishihara]] created Japan's first [[emissions cap system]], aiming to reduce [[greenhouse gas emissions|greenhouse gas emission]] by a total of 25% by 2020 from the 2000 level.<ref>{{cite web |title=World Business Council for Sustainable Development (WBCSD) |url=http://www.wbcsd.org/plugins/DocSearch/details.asp?type=DocDet&ObjectId=MzAyNzQ |url-status=dead |archive-url=https://web.archive.org/web/20090104200639/http://www.wbcsd.org/plugins/DocSearch/details.asp?type=DocDet&ObjectId=MzAyNzQ |archive-date=January 4, 2009 |access-date=October 18, 2008 |website=Wbcsd.org}}</ref> Tokyo is an example of an [[urban heat island]], and the phenomenon is especially serious in its special wards.<ref name="barry">Barry, Roger Graham & Richard J. Chorley. ''Atmosphere, Weather and Climate''. Routledge (2003), [https://books.google.com/books?id=MUQOAAAAQAAJ&pg=PA344 p. 344] {{Webarchive|url=https://web.archive.org/web/20160101181808/https://books.google.com/books?id=MUQOAAAAQAAJ&pg=PA344&sig=mCflboQ0b9ePkGAT3upACg-SOHs|date=January 1, 2016}}. {{ISBN|0-415-27170-3}}.</ref><ref>Toshiaki Ichinose, Kazuhiro Shimodozono, and Keisuke Hanaki. Impact of anthropogenic heat on urban climate in Tokyo. Atmospheric Environment 33 (1999): 3897–3909.</ref> According to the Tokyo Metropolitan Government,<ref>{{cite web |date=January 6, 2007 |title=Heat Island Control Measures |url=http://www2.kankyo.metro.tokyo.jp/sgw/English/heatisland.htm |url-status=dead |archive-url=https://web.archive.org/web/20080524000658/http://www2.kankyo.metro.tokyo.jp/sgw/English/heatisland.htm |archive-date=May 24, 2008 |access-date=October 29, 2010 |website=kankyo.metro.tokyo.jp}}</ref> the annual mean temperature has increased by about {{convert|3|C-change|F-change|1|abbr=on}} over the past 100 years. Tokyo has been cited as a "convincing example of the relationship between urban growth and climate".<ref name="barry" />

In 2006, Tokyo enacted the "10 Year Project for Green Tokyo" to be realized by 2016. It set a goal of increasing roadside trees in Tokyo to 1 million (from 480,000), and adding {{convert|1,000|ha|acre|abbr=on}} of green space, {{convert|88|ha|acre|abbr=on}} of which will be a new park named "Umi no Mori" (Sea Forest) which will be on a reclaimed island in [[Tokyo Bay]] which used to be a landfill.<ref>{{cite web |title=Cool ocean breezes flowing through Tokyo |url=http://www.metro.tokyo.jp/ENGLISH/PLAN/DATA/10yearplan_data_4.pdf |url-status=dead |archive-url=https://web.archive.org/web/20130116185706/http://www.metro.tokyo.jp/ENGLISH/PLAN/DATA/10yearplan_data_4.pdf |archive-date=January 16, 2013 |access-date=July 11, 2012}}</ref> From 2007 to 2010, {{convert|436|ha|acre|abbr=on}} of the planned 1,000&nbsp;ha of green space was created and 220,000 trees were planted, bringing the total to 700,000. {{As of|2014}}, roadside trees in Tokyo have increased to 950,000, and a further {{convert|300|ha|acre|abbr=on}} of green space has been added.<ref>{{cite web |title=2012 Action Program for Tokyo Vision 2020 – Tokyo Metropolitan Government |url=http://www.metro.tokyo.jp/ENGLISH/PROFILE/policy03.htm |url-status=dead |archive-url=https://web.archive.org/web/20121209020051/http://www.metro.tokyo.jp/ENGLISH/PROFILE/policy03.htm |archive-date=December 9, 2012 |access-date=December 23, 2012 |website=Metro.tokyo.jp}}</ref>