Canjin yanayi a Washington, DC

**Canjin yanayi a [[Washington, D.C.|Washington, DC]]**, an nuna shi ta hanyar hauhawar yanayin zafi, karuwar ruwan sama da ambaliyar ruwa, da guguwar guguwa ta Kogin Potomac. Yawon shakatawa yana shafar sauye-sauye a cikin fure na cherry. Gwamnatin birni tana aiki sosai wajen daidaita yanayin yanayi da kokarin ragewa.

## Sakamakon

### Rashin zafin jiki
A shekara ta 2016, canjin yanayi ya haifar da matsakaicin yanayin zafi a DC don tashi 2 ° F (1.1 ° C) a cikin rabin karni,  fiye da matsakaitan ƙasa.  Matsakaicin yanayin zafi na lokacin rani ya ci gaba da tashi: biyar daga cikin shida na lokacin rani mafi zafi na Gundumar sun faru bayan 2010. A cikin shekarun 2080, ana sa ran matsakaicin zafin jiki na gundumar zai karu daga tarihin tarihi na  ° F (31 ° C) zuwa tsakanin  ° F (34 ° C) da  ° F (36 ° C). &nbsp;&nbsp;

Wadannan hauhawar yanayin zafi sun cutar da lafiyar mazauna ta hanyar kara hadarin cututtukan da suka shafi zafi, matsalolin numfashi saboda karuwar ozone, pollen, da ragweed, da karuwar cutar da sauro suka yada saboda yawan cinyewa da sauri da saurin rayuwa wanda ya haifar da hauhawar zafin jiki.

Lokacin bazara yana da 5 zuwa 10% mafi zafi a cikin 2019 fiye da yadda yake a cikin 1970s, a cewar *Washington Post*. Wannan yana haifar da karuwar 5 ° F (2.3 ° C) a cikin zafin jiki. Don haka ranar bazara ta  ° F (30 ° C), wacce ta ji kamar  ° F (32 ° C) a cikin shekarun 1970s, yanzu tana iya jin kamar  ° F (33 ° C) - ° F (3 3 3 ° C). &nbsp;&nbsp;

### Canjin ruwan sama
Ana sa ran ruwan sama zai karu a lokacin hunturu da bazara, amma ya kasance mai yawa a lokacin kaka da rani. Wannan, idan aka haɗa shi da karuwar yanayin zafi mai bushe ƙasa, zai kara ambaliyar ruwa a lokacin hunturu da bazara kuma ya kara fari a lokacin kaka da rani.

### Ambaliyar ruwa da raguwar ƙasa

A shekara ta 2017, an fara raguwar ƙasa kuma ambaliyar ruwa ta zama ruwan dare a yankunan da ke bakin teku na birnin.

### Farkon fure na furanni na cherry
Itacen cherry na Washington suna fure a baya. Daga 1921 zuwa 2017, kwanakin fure sun sauya a baya da kimanin kwanaki biyar. Lokaci na fure mai girma yana da mahimmanci ga yawon bude ido da tattalin arzikin yankin saboda fure-fure na cherry suna jawo mutane sama da miliyan ɗaya a kowace shekara, da yawa daga cikinsu baƙi ne.

## Manufofin rage canjin yanayi

### Gudanar da Gray
A karkashin magajin gari Vincent Gray, birnin ya fara kokarin da aka sani da DC mai dorewa. A matsayin wani ɓangare na wannan ƙoƙari, Gray ya sanya hannu kan Dokar DC mai dorewa ta 2012.  Wannan aikin yana da sassan daban-daban da aka sadaukar don inganta ingancin makamashi, kiyaye kogi na halitta, makamashi mai sabuntawa, ƙididdigar ENERGY STAR don gine-gine, tsaftace Kogin Anacostia, aikin gona na birni, da iska mai lafiya. 

Tare da wannan aikin, ofishin ya fitar da Shirin DC mai dorewa. An tsara wannan shirin a cikin 2011 kuma an sake shi a watan Fabrairun 2013,  tare da alkawarin sanya birnin ya zama "birni mafi lafiya, mafi kore, kuma mafi kyawun zama a Amurka" nan da shekara ta 2032. An haɓaka wannan shirin ne tare da hadin gwiwar mutane 4,700 ta hanyar abubuwan jama'a 24. Shirin ya tsara abubuwan da suka fi muhimmanci:

* Kashe dala miliyan 500 don yin gine-ginen birni da suka fi dacewa da makamashi, suna buƙatar su samar da akalla makamashi kamar yadda suke cinyewa
* Ƙara farashin filin ajiye motoci, da kuma niyyar samun kashi ɗaya cikin huɗu na duk tafiye-tafiye na tafiye-tallace ta hanyar keke ko ƙafa da rabi ta hanyar sufuri na jama'a
* Rage hayaki da amfani da makamashi da kashi 50 cikin dari ta hanyar 2032
* Inganta sake amfani da shi da kuma kafa composting na gari
* Kashe dala miliyan 4.5 don ƙirƙirar wuraren shakatawa na unguwa 10 "ƙananan" daga wuraren ajiye motoci na yanzu
* Bayyana haramtacciyar kwantena na abinci na filastik
* Samar da ruwa da ruwa Anacostia RiverKogin Anacostia

Gray ya bar ofis bayan wa'adi guda, amma da yawa daga cikin wadannan shirye-shiryen sun ci gaba bayan lokacin da yake ofis.  haramtacciyar kwantena na styrofoam ta fara aiki a ranar 1 ga Janairu, 2016, "hana kasuwancin da kungiyoyin da ke ba da abinci ko abin sha daga amfani da kayan aikin sabis na abinci da aka yi da polystyrene mai fadada". 

## Manazarta