IUnited States inogona kuwana kuwedzera kwe2 degrees Celsius kana anopfuura makore mashoma apfuura kupfuura iyo yese yepasi, ichigadzira munyika yekutanga umo mhedzisiro yekushanduka kwemamiriro ekunze ichaonekwa kare.
Izvi zvinoratidzwa neongororo yakaburitswa mumagazini PLOS Imwe, yakaitwa naRaymond Bradley naAmbarish Karmalkar, vanobva kuYunivhesiti yeAmherst, vanoyambira kuti nyika dzinokwana makumi mana neshanu dzichakunda dhigirii mbiri reCelsius vasati vasvika muna 48.
Kuteedzera kwemakomputa, uko kwakatarisira tembiricha dzakanyorwa mumwedzi waZvita wegore rapfuura, inofanotaura izvozvo nzvimbo kubva kuNew York kusvika kuBoston, ayo anowanikwa nevanhu vazhinji kuchamhembe kwakadziva kumabvazuva kwenyika, vanogona kunyoresa kukosha kwe3 degrees kana iyo yepasirese yepakati tembiricha yakawedzera 2ºC. Dhigirii mbiri Celsius ndiyo "chipingamupinyi" icho vatungamiriri vakavimbisa kupasa nekusayina Chibvumirano cheParis, asi kana izvi zvikaramba zvichiitika, vanogona kukurirwa.
Mepu yetembiricha yepasirese yakashandiswa nevatsvakurudzi sereferenzi yakawana kupisa kwakanyanya mune dzimwe nzvimbo dzepasi, kunyanya munzvimbo dzinotonhora seArctic. Ikoko, kwekupedzisira kwematsutso tembiricha inopfuura 20ºC pamusoro peyakajairwa yakanyoreswa. Kunyangwe vasiri ivo chete vaive nemwaka unodziya kupfuura zvaizoitika.
Mufananidzo - Ambarish V. Karmalkar naRaymond S. Bradley
Iwo mabvazuva eUnited States neCanada, maodzanyemba eAustralia, uye mativi akasiyana eChina neMongolia ari kuonawo kuwedzera kwakanyanya mukushisa. Vatsvagiri vanoyambira kuti »mutsauko wekushisa pakati penzvimbo yegungwa nemakungwa zvinotungamira kumatunhu akati wandei ekuchamhembe kwenyika kuti uwane kudziya kwakanyanya kudarika pasi rese.".
Unogona kuverenga chidzidzo chakazara pano (Iri muChirungu).