Imvelo

Lesi sigaba sihlola izindleko zemvelo zezolimo zezilwane ezizolimo ezivame kakhulu ezifihliwe ngemuva kokupakisha okuhlanjululwe kanye nokusetshenziswa okujwayelekile. Lapha, sembula amasistimu okuwohloka kwezemvelo: Ukugawulwa kwamahlandla okukhulu kwamadlelo wedlelo kanye nokuphakelwa kwezilimo, ukungcola kwemifula kanye nenhlabathi enamandla amagesi anamandla njenge-methane ne-nitrous oxide. Le miphumela engahlukaniswanga noma ngengozi - yakhelwe emcabangweni wohlelo oluphatha izilwane njengemikhiqizo kanye neplanethi njengethuluzi.
Ukusuka ekubhujisweni kwezinto eziphilayo ekushiseni komkhathi, ukulima kwezimboni kuphakathi kwezinkinga zethu eziphuthumayo kakhulu zemvelo. Lesi sigaba sikhipha lezi zinto ezilimele ngokugxile ezindikingisweni ezintathu ezihlangene: ukulimala kwemvelo, okubeka isilinganiselo sokubhujiswa okubangelwa ukusetshenziswa komhlaba, ukungcoliswa komhlaba, kanye nokulahleka kwendawo yokuhlala; Imvelo yasolwandle, eveza umthelela omubi wokudonsela ngokweqile nokonakalisa kolwandle; kanye nokusimama kanye nezixazululo, eziveza indlela ekudleni okususelwa kwizitshalo, imikhuba yokuvuselela kabusha, noshintsho oluhle. Ngalezi le asens, siphonsela inselelo umbono wokuthi ukulimala kwemvelo kunezindleko ezidingekayo zentuthuko.
Indlela eya phambili ayigcini nje kuphela - isivele ivela. Ngokubona ukuxhumeka okujulile phakathi kwezinhlelo zethu zokudla, imvelo, kanye nemithwalo yemfanelo yokuziphatha, singaqala ukwakha ubuhlobo bethu nomuntu wemvelo. Lesi sigaba sikumema ukuthi uhlole zombili lezi zixazululo kanye nezixazululo, ukufakaza nokwenza okuthile. Ngokwenza kanjalo, siqinisekisa umbono wokusimama hhayi njengomhlatshelo, kepha njengokwelashwa; Hhayi njengomkhawulo, kepha njengenkululeko - yomhlaba, izilwane nangezizukulwane ezizayo.

Njengoba inani labantu emhlabeni liqhubeka landa, nesidingo sokudla siyakhula. Omunye wemithombo eyinhloko yamaprotheni ekudleni kwethu inyama, futhi ngenxa yalokho, ukusetshenziswa kwenyama kuye kwanda eminyakeni yamuva. Nokho, ukukhiqizwa kwenyama kunemiphumela ephawulekayo yemvelo. Ikakhulukazi, ukwanda kwesidingo senyama kunomthelela ekugawulweni kwamahlathi kanye nokulahlekelwa indawo yokuhlala, okuwusongo olukhulu ezinhlobonhlobo zezinto eziphilayo kanye nempilo yeplanethi yethu. Kulesi sihloko, sizocubungula ubuhlobo obuyinkimbinkimbi phakathi kokusetshenziswa kwenyama, ukugawulwa kwamahlathi, nokulahlekelwa indawo yokuhlala. Sizohlola izici ezibalulekile ezibangela ukwanda kwesidingo senyama, umthelela wokukhiqizwa kwenyama ekugawulweni kwamahlathi kanye nokulahlekelwa indawo yokuhlala, kanye nezixazululo ezingaba khona zokudambisa lezi zinkinga. Ngokuqonda ukuxhumana phakathi kokusetshenziswa kwenyama, ukugawulwa kwamahlathi, kanye nokulahlekelwa indawo yokuhlala, singasebenzela ukudala ikusasa elisimeme leplanethi yethu kanye nathi ngokwethu. Ukusetshenziswa kwenyama kunomthelela emazingeni okugawulwa kwamahlathi I…

Ngokuqwashisa okwandayo komthelela omubi wemikhuba yethu yokudla kwansuku zonke endaweni ezungezile kanye nenhlalakahle yezilwane, ukusetshenziswa kwezimiso zokuziphatha sekuphenduke isihloko esivelele emphakathini wanamuhla. Njengoba sibhekene nemiphumela yezenzo zethu, kubalulekile ukuthi sicabange kabusha ukukhetha kwethu ukudla kanye nemithelela yako. Eminyakeni yamuva nje, ukugqugquzelwa kokudla okusekelwe ezitshalweni kuye kwazuza umfutho njengendlela yokunciphisa i-carbon footprint yethu nokukhuthaza ukuphathwa kahle kwezilwane. Lesi sihloko sizocubungula izizathu ezihlukahlukene zokuthi kungani ukushintshela ekudleni okusekelwe ezitshalweni kungaba nomthelela endleleni yokuphila esimeme futhi enesimilo. Sizohlola izinzuzo zemvelo zokunciphisa ukusetshenziswa kwenyama nobisi, kanye nokukhathazeka ngokuziphatha okuzungeze imboni yezolimo yezilwane. Ukwengeza, sizohlola inkambiso ekhulayo yezinye izindlela ezisekelwe ezitshalweni kanye nomthelela ezinawo empilweni yethu kanye nempilo yonke yomhlaba. Ngo…

Ukufuywa kwemfuyo bekuyingxenye esemqoka yempucuko yabantu izinkulungwane zeminyaka, kuhlinzeka ngomthombo obalulekile wokudla nokuziphilisa emiphakathini emhlabeni jikelele. Kodwa-ke, ukukhula nokuqina kwale mboni emashumini eminyaka amuva nje kube nomthelela omkhulu empilweni nasekuhlukeni kwezinhlelo zemvelo zeplanethi yethu. Isidingo semikhiqizo yezilwane, esiqhutshwa ukwanda kwabantu kanye nokushintsha okuthandwayo kokudla, kuye kwaholela ekwandeni kokufuywa kwemfuyo, okuholela ekushintsheni okukhulu kokusetshenziswa komhlaba kanye nokucekelwa phansi kwezindawo zokuhlala. Lokhu kube nomthelela omkhulu ezinhlobonhlobo zezinto eziphilayo, njengoba kunezinhlobo eziningi zezinto eziphilayo ezibhekene nokushabalala kanye nemvelo eshintshwa ngendlela engenakulungiseka. Njengoba siqhubeka nokuthembela ekufuyweni ukuze siphile futhi sikhule komnotho, kubalulekile ukuhlola kanye nokubhekana nemiphumela yale mboni ekulahlekeni kwezinhlobonhlobo zezinto eziphilayo. Kulesi sihloko, sizohlola izindlela ezahlukene ukulima kwemfuyo kube nomthelela ngayo ekulahlekeni kwezinhlobonhlobo zezinto eziphilayo kanye nezixazululo ezingaba khona ...

Njengomphakathi, sekuyisikhathi eside salulekwa ukuthi sidle ukudla okulinganiselayo nokuhlukahlukene ukuze silondoloze impilo yethu yonke nenhlala-kahle. Kodwa-ke, izifundo zakamuva ziye zakhanyisa izingozi ezingaba khona zezempilo ezihambisana nemikhiqizo ethile esekwe ezilwaneni, njengenyama nobisi. Ngenkathi lezi zinto zokudla ziye zaba yinto ebabazekayo ekudleni namasiko amaningi, kubalulekile ukuqonda imithelela engemihle engaba nayo emizimbeni yethu. Ukusuka engcupheni esengeziwe yesifo senhliziyo kuya ekuchayweni okungaba khona kuma-hormone namagciwane ayingozi, ukusetshenziswa kwemikhiqizo yenyama nemikhiqizo yobisi kuhlobene nezinkinga zezempilo ezahlukahlukene. Kulesi sihloko, sizokwelulwa ezingozini zezempilo ezihambisana nokudla inyama nobisi, futhi zihlole ezinye izindlela zokudla zokudla ezingazuzisa impilo yethu kanye nempilo yethu yeplanethi yethu. Ngezwi elifanelekile, sizohlola ubufakazi futhi sinikeze ukuqonda okubalulekile ...

Ukulima efektri, owaziwa nangokuthi ezolimo zezezimboni, sekuyindlela evelele yokukhiqiza ukudla emazweni amaningi emhlabeni jikelele. Le ndlela ifaka ukukhulisa inani elikhulu lemfuyo ezikhaleni ezivalekile, ngenhloso eyinhloko yokwandisa ukukhiqizwa kanye nenzuzo. Ngenkathi kungabonakala njengendlela ephumelelayo yokondla inani labantu abakhulayo, imithelela emibi yokulima efektri kwimvelo yendawo yendawo kanye nemvelo yonke ingenakunakwa. Ukusuka ekungcoleni kwemithombo yamanzi kuya ekubhujisweni kwezindawo zemvelo, imiphumela yale ndlela yezolimo ethuthukile ifinyelela kude futhi ilimaze. Kulesi sihloko, sizokwehla sijule emiphumeleni emibi yokulima efektri kwimvelo yendawo, futhi sihlole izindlela esingaziqwashisa ngazo ngalolu daba lokucindezela. Ngokuqonda ubukhulu benkinga futhi uthathe isinyathelo sokuyilungisa, singasebenzela ukudala uhlelo lokudla oluzinzile futhi olunobungane bemvelo ...

Sawubona lapho, abathandi bezilwane nabangane abanolwazi! Namuhla, sizongena esihlokweni esingahle singabi mnandi kakhulu ukudingida, kepha munye obaluleke kakhulu: amapulazi efekthri. Le misebenzi enkulu ayisho nje ukukhiqiza ukudla ngezinga elikhulu - nabo badlala indima enkulu ekusakazeni izifo kanye nokulimala kwemvelo emvelweni. Ake sihlole uhlangothi olumnyama lokulima efektri nokuthi kungani kubalulekile ukubhekana nalezi zinkinga. Ukudluliselwa kwezifo emapulazini efektri kungenye yezinto ezikhathazayo ezinkulu namapulazi efektri yindlela abangaba ngayo izizathu zokuzalela izifo. Bheka lokhu: Izilwane zigcwele ngokuqinile ezikhaleni ezivalekile, okwenza kube lula kakhulu ngezifo ukusakazeka njengomlilo wasendle. Ukusondela kanye nezimo ezicindezelayo zenza buthaka amasosha abo omzimba, kubenza bathambekele kakhulu ekufeni. Lokhu, nakho, kwandisa ubungozi bokudluliselwa kwezifo phakathi kwezilwane epulazini. Yini ngisho ...

Ulwandle luhlanganisa ngaphezulu kwama-70% omhlaba futhi luyikhaya lokuhlekisa ngempilo yasemanzini. Eminyakeni yamuva nje, isidingo sokudla kwasolwandle siholele ekukhuphukeni kwamapulazi olwandle namapulazi ezinhlanzi njengendlela yokudoba okuqhubekayo. Lawa mapulazi, abizwa nangokuthi ama-aquaculture, ajwayele ukubonwa njengesixazululo sokudoba ngokweqile nendlela yokuhlangabezana nesidingo esikhulayo sokudla kwasolwandle. Kodwa-ke, ngaphansi kobuso kukhona iqiniso elimnyama lomthelela lawa mapulazi anawo endalini yemvelo yasemanzini. Ngenkathi zingabonakala njengesixazululo ebusweni, iqiniso ukuthi amapulazi olwandle nama-fish angaba nemiphumela emibi emvelweni nasezilwaneni ezibiza ulwandle ekhaya. Kulesi sihloko, sizokwehla ngokujulile emhlabeni wolwandle kanye nokulima izinhlanzi futhi siveze imiphumela efihliwe esisongela imvelo yethu engaphansi kwamanzi. Ukusuka ekusetshenzisweni kwama-antibiotic nama-pesticides ku ...

Eminyakeni yamuva nje, umqondo wezolimo amaselula, owaziwa nangokuthi inyama ekhule i-Lab-Gown, ithole ukunakwa okubalulekile njengesixazululo esingahle sibe yisixazululo sezinkinga zokudla zomhlaba wonke ezizayo. Le ndlela entsha ifaka ukukhulisa izicubu zezilwane ezilungiselelweni zelebhu, kuqeda isidingo sokulima izilwane zendabuko. Ngenkathi izinzuzo zezemvelo nezokuziphatha zezolimo zeselula zivunywa kabanzi, kuye kwaba nocwaningo olunomkhawulo emithonjeni engaba khona yezempilo yokudla inyama ekhule nge-lab. Njengoba lobu buchwepheshe buqhubeka buqhubekisela phambili futhi bathole ukusebenza kwezentengiso, kubalulekile ukuhlola nokuqonda imiphumela engaba khona yezempilo kubo bobabili abantu nezilwane. Kulesi sihloko, sizokwehla esimweni samanje sezolimo samaselula bese sixoxa ngemithelela engaba khona yezempilo okungenzeka ukuba nayo kubathengi nohlelo lokudla olukhulu. Njengoba ukufunwa kokukhiqizwa kokudla okuqhubekayo nokuziphatha okuhle kukhula, kubalulekile ukuhlola kahle zonke izici zezolimo zamaselula ukuqinisekisa ukuthi ...

Njengoba inani lomhlaba wonke liqhubeka nokwanda futhi isidingo sokudla sanda, imboni yezolimo ibhekene nengcindezi ekhuphuka ingcindezi yokuhlangabezana nalezi zidingo ngenkathi igqugquzela umthelela wayo wezemvelo. Indawo eyodwa yokukhathazeka ukukhiqizwa kwenyama, okuxhunyaniswe neminikelo ebalulekile ekuphumeni kwamagesi abamba ukushisa, ukugawulwa kwamahlathi, nokungcoliswa kwamanzi. Kodwa-ke, isixazululo esithembisayo esithola ukugcwala emphakathini wezolimo sizolimo sezolimo. Lo mkhuba wokulima, osuselwa ezimisweni zokusimama kanye nokulinganisela kwemvelo, ugxile ekwakheni inhlabathi enempilo nokubuyisela izinto eziphilayo. Ngokubeka phambili impilo yenhlabathi, ezolimo zokuvuselela amandla anamandla okuthuthukisa ikhwalithi yokudla ekhiqizwayo, kepha futhi anciphise imithelela emibi yemvelo yokukhiqizwa kwenyama. Kulesi sihloko, sizohlola umqondo wezolimo kabusha kanye namandla ayo okubhekana nezinselelo zezemvelo ezibangelwa ukukhiqizwa kwenyama. Sizokwelulela isayensi ngemuva kwale ndlela yokulima, izinzuzo zayo, ...