Nazarin kwanan nan da masana ke nazarin bayanan canjin yanayi muhimmancin gaske girgije yana takawa a cikin wannan tsari kuma wannan yana shafar dukkanin duniya.
A yau gizagizai suna aiki a matsayin babban ɗabi'a a cikin sararin samaniya cewa riƙe wani ɓangare na zafin rana haifar da ƙarin ƙaruwa a yanayin zafi, wanda mummunan tasiri a cikin santsi gudu na duniya.
Kafin wannan binciken mai ban sha'awa, anyi tunanin cewa zafin jiki ya tashi sanadiyyar babban adadin iskar carbon dioxide a sararin samaniya zai kasance tsakanin digiri biyu zuwa hudu. Yanzu da yake an san mahimmancin gajimare a cikin dukkan aikin sauyin yanayi, zafin jiki na iya hawa zuwa digiri 5. Bambancin zazzabi ne mai mahimmanci da gaske na iya haifar da matsaloli masu tsanani a duk faɗin duniya a cikin matsakaici da kuma dogon lokaci.
A cewar masana, wannan gaskiyar na iya haifar da mummunan sakamako a duniyar tun matakin teku zai iya tashi ba daidai ba ko kuma cewa an samar da ambaliyar ruwa ta hanyar al'ada a yankuna da yawa na Duniya. Babban rawar gizagizai a canjin yanayi ba wani sabon abu bane wanda tuni an buga shi a 2012 ta wani rukuni na kwararru kan yanayi.
A cikin 2014, an kuma tabbatar da cewa matsakaicin yanayin zafi a duk duniya zai iya tashi zuwa kusan digiri 5 saboda aikin gajimare kansu. Wannan shine dalilin da yasa daga yanzu zamuyi duba sama sosai da kuma la'akari da gajimare don dakatar da canjin yanayi da dumamar yanayi. Yanayi mai ban mamaki da damuwa wanda dole ne ya sanya dukkanin al'umman duniya suyi tunani sosai kafin lokaci ya kure.