Kulesi sigaba, thola ukuthi ukulima kwezilwane ezimbonini kukhuthaza kanjani ukucekelwa phansi kwemvelo ngezinga elikhulu. Kusukela emigwaqweni engcolile yamanzi kuya kuzinhlelo zemvelo eziwayo, lesi sigaba siveza konke odinga ukukwazi mayelana nokuthi ukulima kwasefekthri kubeka kanjani engozini iplanethi esabelana ngayo sonke. Hlola imiphumela efinyelela kude yokulahlwa kwezinsiza, ukugawulwa kwamahlathi, ukungcoliswa komoya namanzi, ukulahleka kwezinhlobonhlobo zezinto eziphilayo, kanye nomthelela wokudla okusekelwe ezilwaneni enkingeni yesimo sezulu.
Ngemuva kwawo wonke amapulazi asetshenziswa kakhulu kunoxhaxha lwezingozi ezizungezile: amahlathi agawulwa ukuze kudliwe izilwane, izindawo zokuhlala ezicekelwa phansi ukuze kube amadlelo, kanye nenani elikhulu lamanzi nokusanhlamvu okuphambukiselwa imfuyo esikhundleni sabantu. Ukukhishwa kwe-methane okuvela ezintweni ezelusayo, ukugeleza komquba ofakwe amakhemikhali, kanye nezidingo zamandla zesiqandisi nezokuthutha konke kuyahlangana ukuze kwenze ukulima kwezilwane kube enye yezimboni ezilimaza kakhulu imvelo eMhlabeni. Ixhaphaza umhlaba, ikhipha amanzi, futhi ifaka ushevu ezimisweni zemvelo—ngenkathi icasha ngenkohliso yokusebenza kahle.
Ngokuhlola la maqiniso, siphoqeleka ukuthi singabuzi nje ukuthi izilwane ziphathwa kanjani, kodwa ukuthi ukukhetha kwethu ukudla kulilolonga kanjani ikusasa leplanethi. Ukulimala kwemvelo akuwona umthelela oseceleni okude—kuwumphumela oqondile wesistimu eyakhelwe phezu kokuxhashazwa kwabantu abaningi. Ukuqonda izinga lokucekeleka phansi kuyisinyathelo sokuqala soguquko, futhi lesi sigaba sinikeza ukukhanya ngesidingo esiphuthumayo sokudlulela kwezinye izindlela ezisimeme, nezinozwelo.
Umoya esiwuphefumulayo: Ukulima kanjani kwefekthri kunomthelela ekungcoleni komoya nezingozi zempilo
Ukulima efektri, indlela yezolimo ezinamandla zezilwane, sekuyisikhathi eside zihlotshaniswa nezinkinga eziningi zemvelo nokuziphatha okuhle, kodwa enye yezinto ezikhohlisayo futhi ezivame ukunganakwa ukungcoliswa okukhiqizayo emoyeni. Imisebenzi yezimboni evutha izimboni, lapho izilwane zigcinwa khona eziminyene, izimo ezingezinhle, zikhiqiza inqwaba yokungcola komoya okufaka isandla ekuwohlokeni kwemvelo, izinkinga zempilo yomphakathi kanye nokushintsha kwesimo sezulu. Lo mbhalo uhlola indlela ukulima kahle efektri ngqo ebhekene nokungcoliswa komoya kanye nemiphumela emide efinyelela kude empilweni yethu, imvelo kanye nenhlala-kahle yezilwane ezihilelekile. Ukungcola kwamapulazi efektri efektri, noma okuhlanganisiwe kokudla kwezilwane (ama-cafos), izinkulungwane zendlu zezilwane ezikhaleni ezivalekile lapho zikhiqiza khona imfucumfucu. Lezi zindawo zingumthombo obalulekile wokungcoliswa komoya, ekhulula amagesi ahlukahlukene ayingozi kanye nezinkinga ezingena emkhathini. Ukungcola okuvame kakhulu kufaka phakathi: Ammonia (NH3): ...