Isu tinoenderera mberi nemabasa edu ezuva nezuva munharaunda ino zvichibva pachirongwa chiri kudya zviwanikwa nekukasira uye nemipendero yatisingakwanise kuyera kupfeka kwainoita. Inoputika kusaenzana pachiyero nemasikirwo nenyika, hatitombozivi mhedzisiro yavachave nayo murefu, pakati nepakati kana, sekugona kwedu ikozvino kuziva, pfupi pfupi.
Chinhu chikuru muAntarctic ice sheet ine yakawedzera nemakiromita makumi maviri mumwedzi mitanhatu yekupedzisira, iyo inogona kubvisa nzvimbo yemakiromita makiromita mazana matanhatu nemakumi matatu neshanu, zvishoma pasi peruwa rweMadrid, semuenzaniso.
Mifananidzo kubva kuLarsen C ice shefu yakatorwa ne Terra satellite NASA inoratidza mutsetse uyo wave makiromita zana nemakumi masere nesere pakureba, sekureva kwemushumo kubva kubazi reUS. Chikamu cheaya chando, chechina pakukura mukondinendi, chinogona kubva.
Masayendisiti ari kushanda kuti anzwisise shanduko dzapakarepo idzo gakava guru raizogadzira uye chii chakaitisa kuti iwedzere hurefu nekukurumidza kudaro. Project MIDAS, boka reUK rakazvitsaurira kudzidza kweiyo Larsen C ice shefu, inoratidza kuti shanduko yemamiriro ekunze yakachinja chimiro chechando, izvo zvinokonzeresa mukana wekudonha kwakazara.
Larsen B ice shefu rakadhirika kutanga kwa2002 uye rakaneta mumakore apfuura. Masayendisiti ari kudzidza Antarctica vanotarisira kuti kutyora zvine mutsindo isingasviki makore gumi.
Iko hakuna zvakawanda zvekufunga nezve mhedzisiro yechando jira rehukuru hukuru hunotyoka uye ndicho chikonzero che ziva mhedzisiro yeshanduko yemamiriro ekunze pasi rese. Chiyero chinoona kuti hupenyu hunopfuurira zvakadzikama, asi nemhedzisiro yeruoko rwemunhu ...