Ka taƙaita labarin:  Wani sabon bincike ya ba da gargaɗi cewa yawancin zafin rana da kuma kusan kashi biyar na ruwan sama da ake yi a wurare masu zafi saboda ayyukan 'yan Adam ne. Masu bincike sun ce ana samun kashi uku cikin huɗu na yanayin zafi da kuma kashi 18 cikin ɗari na ruwan sama mai yawa domin wartsakewar yanayi da 'yan Adam suke yi. Sun yi gargadin cewa yayin da canjin yanayi ke tura yanayin zafin duniya sama a cikin shekaru masu zuwa, mutane za su zama masu alhakin kashi 40 cikin ɗari na matsanancin ruwan sama. Masu bincike sun ce kashi 75 cikin ɗari na yanayin zafi mai tsanani da kuma kashi 18 cikin ɗari na ruwan sama mai yawa yana faruwa ne saboda dumamar yanayi da 'yan Adam suke yi. Sun yi gargadin cewa yayin da canjin yanayi ke tura yanayin zafin duniya sama, mutane za su kasance da alhakin kashi 40% na matsanancin ruwan sama (ambaliyar ruwa a Somerset a 2014 an nuna) Masana kimiyya sun yi iƙirarin cewa shi ne mafi yawan abubuwan da suka faru da kuma abubuwan da suka faru da suka fi dacewa da tasirin ɗan adam. Dokta Erich Fischer, daga cibiyar kimiyyar yanayi da yanayi a Cibiyar Fasaha ta Tarayyar Switzerland da ke Zurich wanda ya jagoranci binciken, ya ce: "Canjin yanayi ya haɗa da canje-canje ba kawai a matsakaicin yanayi ba har ma da yanayin yanayi. Yanayin zafin duniya ya kasance mafi girma tun lokacin da aka fara rikodin a 1880, a cewar masana kimiyya. Matsakaicin zafin jiki a duk duniya ya kai 0.8 ° C (1.4 ° F) sama da matsakaicin ƙarni na 20 - yana mai da 2014 shekara mafi zafi a cikin bayanan da suka koma shekaru 134. Ofishin Met Office ya riga ya sanar da cewa 2014 ita ce shekara mafi zafi ga Burtaniya a cikin bayanan da suka koma 1910. Masana kimiyya sun kuma yi gargaɗi cewa shekara ta 2015 za ta iya zama mai zafi sosai. A farkon wannan watan sun bayyana cewa Duniya ta fuskanci watan Maris mafi zafi tun lokacin da aka fara rikodin rikodin a 1880. Watanni uku na farko na shekara ta 2015 duk sun kafa sabbin alamun zafin jiki. Matsakaicin zafin jiki na watan da ya gabata ya tashi zuwa 56.4 ° F (13.6 ° C), wanda ya kai 1.5 ° F (0.85 ° C) sama da matsakaicin ƙarni na 20. Hakanan abin damuwa shine gano cewa kankara ta Arctic ta kasance mafi ƙarancin rikodin a watan Maris. Mafi yawan zafin da ba a saba gani ba ya kasance a cikin Tekun Pacific da wuraren da ke kusa da shi....
Masana kimiyya a Cibiyar Fasaha ta Tarayyar Switzerland da ke Zurich sun tsara yiwuwar tsananin yanayin yanayi da ke haifar da ayyukan ɗan adam. Sun gano cewa mutane ne ke da alhakin mafi munin zafin rana da ambaliyar ruwa a yau. An yanke shawarar ne ta hanyar kwatanta matakan kafin da kuma bayan masana'antu. Masana sun yi gargadin cewa guguwa za ta zama ruwan dare gama gari yayin da yanayin zafin duniya ya tashi.