Bayyanawa mai tsanani

Gabaɗaya, ƙaddamar da abubuwan da suka faru, wanda aka fi sani da kimiyyar ƙaddamarwa, yana kimanta gudummawar dangi na dalilai da yawa na wani taron, kuma yana ba da amincewar ƙididdiga ga wannan kimantawa. Sau da yawa, ana amfani da kalmar ga kimiyya na ganowa da ƙididdigar rawar da Canjin yanayi da mutum ya haifar ke takawa a cikin mitar, tsananin, tsawon lokaci, da tasirin Abubuwan da suka faru na yanayi. Kimiyya ta ba da izini tana da niyyar tantance matakin da za a iya bayyana irin waɗannan abubuwan ta hanyar ko kuma a haɗa su da dumamar yanayi da mutum ya haifar, kuma ba kawai saboda bambancin yanayi ba  ko Yanayin yanayi na halitta.

 Tarihi 
Kafin ci gaban hanyoyin kididdiga da ke ba da damar rarrabe kimiyya, yarjejeniyar kimiyya ita ce za a iya danganta yanayin yanayi na duniya ga tasirin ɗan adam, amma rarrabe abubuwan da suka faru na yanayi ba a yi tunanin zai yiwu ba. Kwamitin Intergovernmental kan Canjin Yanayi (IPCC) na farko  ya ambaci halayen a cikin Rahoton Bincike na Farko na 1990, yana cewa "kusan ba zai yiwu a nuna alaƙar sakamako ba tare da babban amincewa daga nazarin canji guda ɗaya".  Koyaya, IPCC ta lura cewa amincewa da halayen yana ƙaruwa yayin da tsinkayen yanayi ke ƙaruwa ta hanyar bayanan da aka lura, yana nufin "hanyar yatsan hannu" wanda ke gano alamomi na musamman ga dumamar duniya da mutum ya haifar. Rahoton Synthesis na IPCC na 2001 ya ba da rahoton cewa "bincike da nazarin halayen ... koyaushe suna samun shaidar siginar ɗan adam a cikin rikodin yanayi na shekaru 35 zuwa 50 da suka gabata" kuma "yawancin waɗannan binciken sun gano cewa, a cikin shekaru 50 da suka wuce, ƙididdigar ƙimar da girman dumama saboda karuwar iskar gas ɗin ɗumi kawai suna iya kwatanta da, ko mafi girma fiye da, dumama da aka lura".

An fara amfani da haɗarin haɗari (FAR)  a cikin bincike na 2004  na guguwar zafi ta Turai ta 2003, yana ba da haɗin kai tsaye tsakanin canjin yanayi na ɗan adam da kuma wani mummunan yanayi na mutum. Stott, Peter A.; Christidis, Nikolaos; Otto, Friederike E. L.; Sun, Ying; Vanderlinden, Jean-Paul; Van Oldenborgh, Geert Jan; Vautard, Robert; von Storch, Hans; Walton, Peter; Yiou, Pascal; Zwiers, Francis W. (January 2016). "Attribution of extreme weather and climate-related events". WIREs Climate Change. 7 (1): 23–41. Bibcode:2016WIRCC...7...23S. doi:10.1002/wcc.380. PMC 4739554. PMID 26877771. Figure 1. [shafi [p. 4]] An bayyana kimiyyar bayarwa a cikin littafin Yanayin Yanayi na 2011 wanda American Meteorological Society ya kammala cewa canjin yanayi da ya haifar da mutum yana da rawar da ya taka a cikin biyar daga cikin abubuwan da suka faru na yanayi masu tsanani guda shida da aka yi nazari. Babban ikon lissafi na shekarun 2000 ya ba da damar yin kwaikwayon yanayi akai-akai, kuma ci gaban ra'ayi a farkon zuwa tsakiyar shekarun 2010 ya ba da izini ga kimiyya. Cibiyar Nazarin Yanayi ta Amurka ta bayyana a cikin 2016 cewa "kimiyya yanzu ta ci gaba har zuwa inda za mu iya gano tasirin canjin yanayi a wasu abubuwan da suka faru tare da amincewa sosai".

 Manufar 
Clim Cen ya bayyana cewa "bincike na rarrabawa yana lissafa ko, kuma ta yadda, Canjin yanayi ya shafi tsananin, mitar ko tasirin matsananci" kamar gobarar daji, fari, ruwan sama, da guguwa. Masanin ilimin yanayi na Jamus Friederike Otto ya ce kimiyyar halayyar tana da niyyar amsa tambayar, "ya yi canjin yanayi ya taka rawa" a cikin takamaiman abubuwan da suka faru "a cikin lokacin labarai - don haka a cikin makonni biyu na taron". Sakamakon binciken da aka yi ya ba da damar masana kimiyya da 'yan jarida su yi maganganu kamar, "wannan taron yanayi ya faru aƙalla sau n da ya fi dacewa da canjin yanayi na mutum" ko kuma "wannan raƙuman zafi sun zama digiri m mafi zafi fiye da yadda zai kasance a duniya ba tare da dumamar duniya ba" ko kuma ""wannan taron ya zama ba zai yiwu ba tare da canjin sauyin yanayi ba".

 Manazarta