Halin da zai iya faruwa a shekara ta 2100 wanda ba a rage fitar da hayaki ba. Launi mai launin rawaya yana wakiltar kwanaki 10 na tsananin zafi, kuma baƙar fata kwanaki 365. Hoto - Hoton hoto.
Ruwan raƙuman ruwa yanayi ne na yanayi wanda za a samar da ƙari da ƙari ci gaba yayin da matsakaita yanayin duniya ke ci gaba da tashi. A yanzu, wanene kuma wanda ba ya tuna abin da ya faru a 2003, wanda ya kashe mutane 11.435 a Faransa kawai, bisa ga bayanai daga Cibiyar Nazarin Nationalididdiga ta Nationalasa.
A halin yanzu, Kashi 30% na yawan mutanen duniya suna fuskantar mummunan yanayi na kwana 20 a shekara ko sama da haka. Idan ba a rage fitar da hayaƙi ba, a shekara ta 2100 wannan kashi na iya zama 74% bisa ga binciken da aka ci gaba a Jami'ar Hawaii (Manoa, Amurka) kuma aka buga a cikin mujallar Yanayin Canjin Yanayi.
Marubutan binciken sun yi amfani da yanayi iri uku wadanda Kungiyar Gwamnati kan Sauyin Yanayi (IPCC) ta kirkira don kirkirar taswirar ma'amala inda zaka ga haɗarin. Kowane ɗayan waɗannan an san shi da Hanyar centarfafa Wakilci ko CPR.
Don haka, zamu iya ganin cewa kiyaye fitar da hayaƙi a matakin daya kamar na yau (yanayin RCP 2.6), a 2050 a wurare kamar Panama za'a sami Kwanaki 195 na zafin rai shekara; a Bangkok (Thailand) kwanaki 173, kuma a Caracas (Venezuela), kwanaki 55. Amma idan akwai ƙaruwar hayaƙi (RCP 4.5), a ƙarshen ƙarni a wurare kamar Malaga za a sami kwanaki 56 na igiyar ruwa mai haɗari mai haɗari.
Babban abin bakin ciki shi ne duk da cewa kasashe na daukar matakan da suka dace don rage gurbatar muhalli mutane zasu mutu saboda tsananin zafin rana. Zafin da, idan akwai danshi mai yawa, jiki baya iya saki.
Kuna iya karanta karatun a nan.