Editing Shenzhen (section)

=== Environmental protection ===
[[File:BYD e6 (2nd generation) taxi in Shenzhen.jpg|thumb|A [[BYD Auto|BYD]] electric taxi in Shenzhen.]]
From 2000 to 2014, Shenzhen spent 30 billion RMB to restore the city's rivers from water pollution, which some were considered at the time to be the most polluted in the Pearl River Delta. The city had constructed 33 sewage treatment plants and laid almost {{Convert|4300|km|mi}} of sewage pipes.<ref name="SCMorningPost-2014">{{Cite web|date=2014-09-20|title=Shenzhen is losing its fight against pollution in main rivers|last1=He|first1=Huifeng|url=https://www.scmp.com/news/china/article/1596367/shenzhen-losing-its-fight-against-pollution-main-rivers|access-date=2021-07-23|website=South China Morning Post|language=en}}</ref> By 2020, the city laid an additional {{Convert|3274|km|mi}} of water pipelines and completed 13,793 pipeline renovation projects in urban villages and housing estates.<ref name="Shenzhen.gov-2021b">{{Cite web|title=SZ creates miracle in water treatment_Latest News-Shenzhen Government Online|url=http://www.sz.gov.cn/en_szgov/news/latest/content/post_7895652.html|access-date=2021-07-23|website=sz.gov.cn}}</ref>

In 2009, Shenzhen was chosen as one of thirteen cities to pilot a national new-energy vehicle program. In 2017, Shenzhen offered 3.3 billion RMB in subsidies in electric buses and the construction of charging facilities. In mid-2018, the city made major headlines for being the first city to roll an all-electric public bus fleet. In the same year, more than half of the city's taxi fleet are electric, with the goal to turn the fleet all-electric.<ref>{{Cite web|date=2018-06-17|title=Shenzhen's green quest leaves Hong Kong miles behind|first1=Johan|last1=Nylander|url=https://www.scmp.com/business/article/2150718/dirty-cousin-not-anymore-shenzhens-green-quest-leaves-hong-kong-miles|access-date=2021-07-23|website=South China Morning Post|language=en}}</ref><ref>{{Cite web|last=|first=|date=2019-01-07|title=Giving up gas: China's Shenzhen switches to electric taxis|url=https://abcnews.go.com/Technology/wireStory/giving-gas-chinas-shenzhen-switches-electric-taxis-60223144|url-status=dead|archive-url=https://web.archive.org/web/20201107223714/https://abcnews.go.com/Technology/wireStory/giving-gas-chinas-shenzhen-switches-electric-taxis-60223144|archive-date=7 November 2020|access-date=2021-07-23|website=ABC News|language=en}}</ref><ref>{{Cite web|last=Crothers|first=Brooke|date=14 February 2021|title=This Chinese City Has 16,000 Electric Buses And 22,000 Electric Taxis|url=https://www.forbes.com/sites/brookecrothers/2021/02/14/this-chinese-city-has-16000-electric-buses-and-22000-electric-taxis/|access-date=2021-07-23|website=Forbes|language=en}}</ref><ref>{{Cite web|title=First buses, now Shenzhen has turned its taxis electric in green push|last1=Liao|first1=Rita|url=https://techcrunch.com/2019/01/04/shenzhen-electric-taxis-push/|access-date=2021-07-23|website=TechCrunch|date=4 January 2019|language=en-US}}</ref> By early 2019, Shenzhen rolled out an all-electric taxi fleet, with 99% of taxis now electric-powered.<ref>{{Cite web|date=2019-01-08|title=Hi-tech Shenzhen charges ahead with all-electric taxi fleet|url=https://www.scmp.com/news/china/society/article/2181159/hi-tech-shenzhen-streaks-ahead-china-all-electric-taxi-fleet|access-date=2021-07-23|website=South China Morning Post|language=en}}</ref>

In late 2019, Shenzhen launched a garbage classification program in which waste is to be sorted in four categories: recyclables, kitchen waste, hazardous waste, and other waste.<ref>{{Cite web|title=Shenzhen Releases New Garbage Sorting Guidelines|url=https://www.thatsmags.com/china/post/28744/shenzhen-releases-new-garbage-sorting-guidelines|access-date=2021-07-23|website=That's Online|language=en}}</ref> Residents who follow the guidelines will be given cash while those who do not would be fined by the government.<ref>{{Cite web|date=2019-10-18|title=Reward: Shenzhen offers cash for top trash sorters|last1=Zhang|first1=Phoebe|url=https://www.scmp.com/news/china/society/article/3033560/reward-shenzhen-offers-cash-top-trash-sorters|access-date=2021-07-23|website=South China Morning Post|language=en}}</ref><ref>{{Cite web|title=Residents who resist garbage sorting to face punishment_Latest News-Shenzhen Government Online|url=http://www.sz.gov.cn/en_szgov/news/latest/content/post_8036878.html|access-date=2021-07-23|website=sz.gov.cn}}</ref>