Ukushintsha kwesimo sezulu kanye nokuphuma

Ukushintsha kwesimo sezulu kume njengenye yezingqinamba eziphuthumayo emhlabeni wonke, futhi ukulima kwezilwane ezimbonini kuyimbangela enkulu yokusheshisa kwakho. Ukulima kwasefekthri kunomthelela omkhulu ekukhiqizweni kwesisi esibamba ukushisa—ikakhulukazi i-methane evela ezinkomeni, i-nitrous oxide evela kumanyolo nomanyolo, kanye ne-carbon dioxide ekugawulweni kwamahlathi ukuze kutshalwe izitshalo zokudla. Lokhu kukhishwa kwegesi ngokuhlanganyela kuncintisana naleyo yawo wonke umkhakha wezokuthutha, kubeka ezolimo zezilwane enkabeni yesimo esiphuthumayo sezulu.
Ngalé kwegesi elikhiphayo eliqondile, isidingo sohlelo somhlaba, amanzi, namandla siqinisa ukucindezela kwesimo sezulu. Amahlathi amakhulu ayagawulwa ukuze kutshalwe isoya nommbila ukuze kudliwe imfuyo, kucekelwe phansi amasinki ekhabhoni emvelo futhi kukhiphe ikhabhoni egciniwe emkhathini. Njengoba amadlelo anda futhi nesimiso semvelo siphazamiseka, amandla omhlaba okumelana nokushintsha kwesimo sezulu kuba buthakathaka nakakhulu.
Lesi sigaba sigcizelela ukuthi ukukhetha kokudla kanye nezinhlelo zokukhiqiza ukudla kunomthelela onjani esimweni sezulu. Ukubhekana nendima yokulima efekthri akukhona nje ukunciphisa ukukhishwa kwegesi kuphela-kumayelana nokucabanga kabusha izinhlelo zokudla ezibeka phambili ukusimama, ukudla okusekelwe ezitshalweni, kanye nemikhuba yokuvuselela. Ngokubhekana nesimo sezulu sokulima kwezilwane, isintu sinethuba lokunqanda ukufudumala komhlaba, ukuvikela imvelo, nokuvikela ikusasa eliphilayo lezizukulwane ezizayo.

Impikiswano yokusebenzisa ubisi iye yaqina eminyakeni yamuva nje, njengemibuzo ezungeze imiphumela yayo yezempilo, ukucatshangelwa kwemvelo kanye nokucatshangelwa kokuziphatha kwafika phambili. Uma udunyiswe njengetshe legumbi lokudla, ubisi manje lubhekene nokuhlolisiswa kwezixhumanisi zalo ezifweni ezingamahlalakhona, imikhuba yokulima engagcineki, kanye nokukhishwa okukhulu kwegesi okuluhlaza okomdlamba. Kuhlanganiswe nokukhathazeka ngenhlalonhle yezilwane kanye nokusebenzisa ngokweqile ama-antibiotics ezinqubweni zokukhiqiza, imboni yobisi yendabuko ingaphansi kwengcindezi kunanini ngaphambili. Ngaleso sikhathi, ezinye izindlela ezisetshenziselwa izitshalo zithola ukugcwala njengoba abathengi bafuna izinketho ezinempilo nezinzile. Le ndatshana ishonile ijule kwi-multifaceted "dairy disemma," ehlola ukuthi ukukhiqizwa kobisi kuthinta kanjani impilo yabantu, imvelo, kanye nesimo sezulu somhlaba wonke ngenkathi kuhlolisisa abantu abanika amandla abantu abanolwazi ngekusasa elingcono

Ukugawulwa kwamahlathi kuyinkinga enkulu yendawo ezungezile ebilokhu yenzeka ngesilinganiso esishaqisayo amashumi eminyaka. Ukucekelwa phansi kwamahlathi akuthinti nje kuphela izinhlobonhlobo zezinto eziphilayo nendawo engokwemvelo yezinhlobo eziningi zezilwane, kodwa futhi kunemiphumela ebalulekile esimweni sezulu seplanethi yethu. Nakuba izici eziningi zinomthelela ekugawulweni kwamahlathi, enye yezimbangela eziphambili ukukhiqizwa kwenyama. Njengoba isidingo senyama emhlabeni silokhu sikhula, siyanda isidingo somhlaba wokufuya nokutshala izitshalo zokudla. Lokhu kuye kwaholela ekwandeni komhlaba wokulima, ngokuvamile ngenxa yamahlathi emvula ayigugu emhlabeni wethu. Kulesi sihloko, sizohlola ubuhlobo phakathi kokusetshenziswa kwenyama nokugawulwa kwamahlathi, nokuthi ukukhetha esikwenzayo ekudleni kwethu kungaba nomthelela oqondile empilweni yeplanethi yethu. Sizocubungula imiphumela yokukhiqizwa kwenyama emahlathini emvula, imiphumela emiphakathini yendabuko kanye nezilwane zasendle, nokuthi ...

Ezolimo Zezilwane, eziguqulwa yisifiso sokudla senyama ekhuphukayo senyama, ubisi namaqanda, kudlala indima enkulu ekukhiqizeni ukudla kodwa kuqondakala kahle imvelo nempilo yabantu. Lo mkhakha ungumshayeli omkhulu wokungcola komoya ngokusebenzisa ama-methane e-methane aphuma emfuyweni nase-nitrous oxide kusuka kumanyolo, kanti imithombo yamanzi isongelwa yimfucuza yokungcola nokungcola kwemfuyo. Ukusetshenziswa ngokweqile kwama-antibiotic epulazini kunomthelela ekumelaneni nama-antibiotic kubantu, futhi ukusetshenziswa ngokweqile kwenyama kuhlobene nezimo zempilo ezinkulu ezinjengezifo zenhliziyo nomdlavuza. Ngokwengeziwe, ukugawulwa kwamahlathi kokudla komhlaba kanye nokuphakelwa kwezitshalo kwandisa ukuguquguquka kwesimo sezulu kanye nokulahleka kwezinto eziphilayo. Ukuhlola le miphumela exhumekile kuqokomisa isidingo esiphuthumayo sezixazululo ezizinzile ezibeka phambili ukulondolozwa kwemvelo kanye nempilo yomphakathi

Ukwemukela Ukudla okususelwa kwizitshalo kuyisinyathelo esinamandla sokunciphisa ukunciphisa i-carbon footprint yakho nokuvikela imvelo. Ngokubeka phambili izithelo, imifino, le-legumes, kanye nokusanhlamvu ngemikhiqizo yezilwane, unganciphisa ukuphuma kwegesi abamba ukushisa, gcina izinsiza zamanzi kanye nomhlaba, nokulwa namahlathi. Le ndlela eqhubekayo ayigciniseke kuphela ekucindezeleni izinselelo zezemvelo kodwa futhi ithuthukisa impilo engcono ngokudla okunothile okunothile. Thola ukuthi ukushintshela ekudleni okususelwa ekufundeni kwezitshalo kungafaka kanjani isandla esikusasa eliluhlaza ngenkathi kuthuthukisa inhlala-kahle yomuntu siqu

Inyama kade yaba yinto ende yokudla emhlabeni wonke, kepha umthelela wayo wezemvelo ukukhulisa ukukhathazeka okukhulu. Ukusuka ekuqothulweni kwamahlathi kanye nokushoda kwamanzi ekuphumeni kwamagesi abamba ukushisa kanye nokulahleka kwezinhlobonhlobo zezinto eziphilayo, imboni yenyama icindezela izinsiza zeplanethi ngezinga elethusayo. Njengoba ukufunwa kuqhubeka ukukhula, le mikhuba ishayela ukuguquguquka kwesimo sezulu kanye nomonakalo wemvelo ngezinga lomhlaba wonke. Lo mbhalo uhlola ukulandelelwa kwemvelo kokukhiqizwa kwemvelo okuqokomisa ukukhiqizwa kwemvelo njengokubhujiswa kwendawo, ukungcoliswa kwezinyawo, kanye nokubheka ezinye izindlela ezimeme ezihambisana nazo zombili izinhloso zezempilo kanye nokulondolozwa kwemvelo

Ukulima efektri kuqhamuke njengebutho elibusayo ekukhiqizweni kokudla kwanamuhla, kodwa ukutolika kwalo kwezemvelo akunakuphikwa. Enye yezinto ezikhathazayo ezicindezelayo kakhulu ukucekelwa phansi kwamahlathi amahlathi e-carbon-alequeristing, adlala indima ebalulekile ekulweni noshintsho lwesimo sezulu ngokuthola i-CO2 CO2. Lawa mahlathi ajwayele ukusulwa ukuze ahlaliswe imfuyo futhi akhule izilimo zokuphakelayo, ededela ikhabhoni egciniwe kanye nemvelo ebekelwe phansi. Lo mkhuba awugcini nje ngokusheshisa ukufudumala komhlaba kodwa futhi usongela ukuhlukahluka kwezinto eziphilayo, anciphise impilo yenhlabathi, futhi athinte imithelela yemvelo ebizayo kulezi zindawo zokuziphilisa. Ukubhekana nokuxhumeka phakathi kokulima kwefektri nokugawulwa kwamahlathi kubalulekile ekukhuliseni imikhuba yezolimo eqhubekayo evikela ikusasa lethu leplanethi

Isifiso sokukhuphuka somhlaba wonke semikhiqizo yezilwane siye saqhutshwa ukwamukelwa okusabalele kwezolimo efektri, uhlelo luncike kakhulu ekukhiqizeni okuphakelayo kwezimboni. Ngaphansi kwe-veneer yayo yokusebenza kahle kulele ukukhishwa kwemali okuthe xaxa, ukulahlekelwa yi-biodiversity, kanye nokungcola kwamanzi, kanye nokungcola kwamanzi kungenye nje yemithelela ebhubhisayo eboshelwe ukulima izilimo ze-monoculture njenge-soy kanye nommbila wokudla kwezilwane. Le mikhuba iqeda izinsiza zemvelo, i-erode yezempilo yenhlabathi, iphazamise imvelo, kanye nemithwalo yendawo ngenkathi kuqinisa ukuguquguquka kwesimo sezulu. Lo mbhalo uhlola izindleko zemvelo zokukhiqizwa okuphakelayo kwezilwane zasemafulemini zasefekthri futhi zigqamisa ukucindezela kudingeka ukwamukela izixazululo ezizinzile ezivikela iplanethi yethu futhi kuthuthukise izindlela zozolimo zokulima

Ezolimo Ezolimo Zobuningi Kodwa-ke zivame ukunganakwa zibe nomthelela ekungcoleni komoya kanye nokukhishwa kwegesi abamba ukushisa, kudlula ngisho nomkhakha wezokuhamba emthonjeni wawo wezemvelo. Kusuka ekuphumeni kwe-methane exhumeke ekugayweni kwemfuyo ukugawulwa kwamahlathi kokulima amadlelo nokuphakelayo, lo mkhakha udlala indima ebaluleke kakhulu ekusheshiseni ukuguquguquka kwesimo sezulu kanye nokwehla kwemvelo. Njengoba imizamo yomhlaba wonke iyaqina ukulwa nalezi zinselelo, ukuqonda ukuzonda kwemvelo kwenyama nemikhuba yobisi kuba nzima ngokwengeziwe. Lo mbhalo uhlola imiphumela efinyelela kude yezolimo zezilwane, aqokomisa izixazululo ezizinzile njengezindlela zokudla okuvuselelayo nokudla okususelwa ekudleni, futhi agcizelela indlela izinketho zabathengi ezaziyo eceleni kwezinqubomgomo zikahulumeni eziqinile angashayela ushintsho olunamandla ngokwengeziwe

Ukulima ifektri, itshe lezolimo lezenzondo zezimboni, lishayela izinselelo ezinkulu zemvelo ezisongela izinto eziphilayo kanye nezilwane zasendle emhlabeni wonke. Ngenkathi ikhuthaza isidingo esikhulayo semikhiqizo yezilwane, imikhuba yaso - esukela ekuqothulweni kwamahlathi kwezilimo okuphakelayo ekubhujisweni kwendawo yokuhlala kanye nokungcoliswa kwamanzi - kufakwa engcupheni izinto eziningi. Ukusetshenziswa okusabalele kwama-pesticides kulimaza ama-pollinators agxeka ukukhiqizwa kabusha, ngenkathi antibise antibiotic akhuthaza amagciwane amelana nalo aphazamisa ukulinganisela kwemvelo. Kuhlanganiswe nokukhishwa kwegesi ebamba ukushisa kanye nokufana kwezakhi zofuzo ezifuyweni zezilwane, umthelela wokulima efektri ufinyelela kakhulu ekukhiqizweni kokudla. Ukubhekana nalezi zingqinamba ngokusebenzisa ezinye izindlela ezizinzile kubalulekile ekuvikeleni izinto ezinobudlova bethu abacebile kanye nezemvelo

Ezolimo Ezolimo Zobuningi Kodwa-ke zivame ukunganakwa ekuguqukeni kwesimo sezulu, ukubalwa kwe-14.5% yokuphuma kwegesi yomhlaba wonke. Kusuka ku-methane kukhishwe ngokugaya imfuyo ukuze kugawulwe amahlandla ukuze amadlelo okudla kanye nokuphakela izilimo, izimbangi zalo zemvelo zemvelo ezenziwa emkhakheni wezinto zokuhamba. Ukusetshenziswa komanyolo kwakha i-nitrous oxide, kanti imfucumfucu yezilwane ingcolisa imigwaqo yamanzi futhi ichithe imvelo. Ukukhishwa kwekhabhoni kusuka ekuthuthweni okuphakelayo kanye nokukhiqizwa kwenyama okugxile kakhulu kukhulisa inkinga. Ukuqonda le miphumela kuqokomisa isidingo esiphuthumayo semikhuba yokulima esimeme, kuncishiswe ukusetshenziswa kwenyama, kanye nezinye izindlela ezisuselwa ekulimaleni ukuze zinciphise ukuguqulwa kwesimo sezulu