Canjin yanayi a Birnin New York

Canjin yanayi a Birnin New York na iya shafar gine-gine da ababen more rayuwa, wuraren da ake ruwa, samar da ruwa, lafiyar jama'a, da bukatar makamashi, saboda yawan jama'a da kayan aiki masu yawa a yankin. A matsayin tashar jiragen ruwa, New York tana cikin haɗari daga hauhawar matakin teku saboda gadoji da hanyoyin da yawa. Manyan wuraren jirgin sama a cikin babban birnin New York, tare da tashar jirgin ruwa ta New York, suma suna cikin yankunan da ke fama da ambaliyar ruwa. Ambaliyar ruwa za ta kasance mai tsada don gyarawa.Climate Change in New York.” NextGenerationEarth. The Earth Institute Columbia University, n.d. Web. 16 October 2009. <> Rubuce-rubucen ma'aunin ruwa sun nuna hauhawar matakin teku na kimanin 50 cm (20 inci) tun daga 1860. 

Hawan yanayin zafi na iya kara haɗarin mutuwar da ke da alaƙa da zafi a lokacin raƙuman zafi da kuma karuwar yawan ozone na ƙasa (wanda zai iya haifar da asma da sauran damuwa game da kiwon lafiya). Jaridar New York Times ta gano canjin yanayi a matsayin mai ba da gudummawa ga karuwar cutar rat a cikin birni, yana mai cewa "[m] hunturu masu yawa - sakamakon canjin yanayi - ya sauƙaƙa wa beraye su tsira da haifuwa".
A watan Yunin 2019, Birnin New York ya ayyana gaggawa na yanayi.

 Ragewa 
Ofishin Majalisa da Shirye-shiryen Yanayi na NYC, wanda kuma ke kula da shirin OneNYC, ya bayyana a cikin 2018 cewa yana alkawarin rage hayakin iskar gas da kashi 80% nan da shekara ta 2050 kuma ya dace da manufa ta 1.5 degree Celsius da aka sanya a karkashin Yarjejeniyar Paris. An riga an fara shigowa, yayin da hayaki na birnin ya ragu da kashi 15% tun shekara ta 2005. Manufar ita ce haɓaka zaɓuɓɓukan sufuri masu ƙarancin carbon da kuma ba da izini ga gine-ginen birni. A cikin 2018, ƙungiyar ta kai karar kamfanoni biyar (BP, Chevron, ConocoPhillips, Exxon Mobil, da Royal Dutch Shell) saboda kasancewa da alhakin canjin yanayi,  kuma ta fitar da kudaden fansho na City daga burbushin burbushin halittu, babban birni na farko na Amurka da ya yi haka.  Magajin garin Bill de Blasio ya goyi bayan shawarar, yana mai cewa "Yayin da canjin yanayi ke ci gaba da muni, ya rage ga kamfanonin man fetur wadanda kwaɗinsu suka sanya mu a wannan matsayi don ɗaukar farashin yin Birnin New York mafi aminci da juriya".
Ya zuwa 2018, Shirin OneNYC ya ci gaba zuwa dogaro da makamashi mai sabuntawa; alal misali, shigarwar hasken rana ta karu sau shida tun daga shekara ta 2014, an saka dala miliyan 500 don inganta ingancin makamashi na gini, da kuma ƙarin dala biliyan 1 da aka ware don adana ruwan sha na NYC.

 Ambaliyar ruwa a bakin teku 
Ambaliyar ruwa ita ce ta biyu da ta haifar da mutuwar da ke da alaƙa da yanayi a Amurka a cikin 2018.  An tsara 11-21 inci na hauhawar matakin teku a Birnin New York a shekarar 2050  da kuma 4.17-9 feet da 2100  zai kara tasirin Ambaliyar bakin teku. Lalacewar da Guguwar Sandy ta haifar a cikin 2012 ya zama abin motsawa ga masu tsara manufofi da mazauna suyi la'akari da kokarin juriya na bakin teku. Tun daga wannan lokacin, an ƙarfafa ka'idoji  don karewa da mazauna New York 400,000 a cikin kashi ɗaya cikin ɗari na shekara-shekara.  Bugu da ƙari, a watan Mayu na shekara ta 2017, Gwamnan New York Andrew Cuomo ya ba da sanarwar gina ganuwar teku mai nisan kilomita 5.3 tare da bakin tekun Staten Island wanda zai iya tsayayya da ambaliyar bakin teku har zuwa ƙafa 15.6 - ƙafa biyu sama da hauhawar da Guguwar Sandy ta haifar. Lokacin da aka kammala, bangon teku zai rage lalacewar da kusan dala miliyan 30.

 Daidaitawa 
A shekara ta 2009, Birnin New York ya kaddamar da rundunar aiki don ba da shawara kan shirya ababen more rayuwa na birni don ambaliyar ruwa, karancin ruwa, da yanayin zafi mafi girma. An gina Tsarin samar da ruwa na Birnin New York don biyan bukatun ruwa na birnin. Ofishin Manufofin Yanayi da Shirye-shiryen Yanayi na NYC yana saka hannun jari na dala biliyan 20 don daidaita unguwanni na birnin ga barazanar canjin yanayi kamar ambaliyar ruwa, matsanancin zafi, da hauhawar matakin teku."NYC Climate Policy & Programs". www1.nyc.gov. Retrieved 2018-10-29.

 Manazarta