Ka taƙaita labarin:  Wani kwamitin masana kimiyya na kasa da kasa a yau za su kaddamar da wani babban bincike don gano ko bayanan hukuma na yawan zafin jiki na duniya sun kara girman yanayin dumamar yanayi. Kwamitin, wanda Gidauniyar Manufofin Warming Duniya (GWPF) ta kira, <unk>rashin shakkar yanayin <unk> tunani-tank wanda tsohon Chancellor na Tory Lord Lawson ya jagoranta, zai mai da hankali kan dubunnan <unk> gyare-gyare <unk> waɗanda aka yi wa rikodin zafin jiki da aka adana a tashoshin yanayi daban-daban a duniya. Masu shakka sun yi jayayya cewa sakamakon irin waɗannan gyare-gyare <unk> da aka yi sa'ad da aka sauya kayan aiki ko kuma aka sake daidaita su, ko kuma aka gina gine-gine masu samar da zafi kusa da wuraren tashoshin yanayi <unk> ya gurbata bayanan. Masu shakku: Kwamitin zai duba ko'gyare-gyare'da aka yi wa rikodin zafin jiki a duniya ya sa canjin yanayi ya zama mafi muni - ko kuma ko a zahiri sun yi nasarar soke juna. Hakanan kwamitin zai bincika <unk> extrapolations <unk> lokacin da bayanan suka haɗa da adadi na kama-da-wane daga wuraren da babu ainihin tashar auna, a maimakon haka suna dogara da su akan adadi na sauran tashoshin a wannan yankin. A wasu wurare, kamar Arctic, waɗannan suna iya zama ɗarurruwan mil. Masu shakka suna da'awar cewa sakamakon gyaran yawanci shi ne sake duba yanayin zafi daga shekarun da suka gabata zuwa ƙasa, da kuma ƙara yawan karatun kwanan nan, don haka yanayin dumamar yanayi na shekaru 150 da suka gabata ya fi girma fiye da yadda yake. Kwamitin ya fito ne daga manyan jami'o'i a duniya, kuma ya hada da masana kimiyya da ra'ayoyi daban-daban game da canjin yanayi. Wani memba na kwamitin Farfesa William van Wijngaarden, masanin kimiyyar lissafi kuma masanin yanayi daga Jami'ar York da ke Toronto, ya ce ya damu da ingancin bayanan shekaru da yawa, bayan da ya lura cewa idan ka bincika wani tashar mutum "za ka ga tsalle-tsalle kwatsam". Irin wannan tsalle, in ji shi, ba na halitta ba ne, amma sakamakon gyare-gyare ne. <unk>Wani lokaci kana samun <unk>daidaita<unk> bayanai ba tare da sanin ainihin yadda aka canza shi ba. Ni masanin kimiyya ne. Ba zan shiga cikin wannan ba tare da wani ra'ayi ba. Amma idan wasu daga cikin gyare-gyare...
Kungiyar masu shakkar sauyin yanayi ta Global Warming Policy Foundation ta kaddamar da bincike. Kwamitin da ya fito daga manyan jami'o'i ya hada da masana da ra'ayoyi daban-daban. Za mu duba ko'gyare-gyare'da aka yi wa bayanan suna soke juna. Ya ce yana fatan mutane daga dukkan bangarorin sauyin yanayi za su taimaka wa kwamitin.