Mkate na Mchango wake kwa Ongezeko la Joto Duniani
Mkate. Nemesis yangu ya zamani... na rafiki. Nina uhusiano wa chuki ya upendo na mkate. Ni moja wapo ya vyakula ambavyo ninatamani sana ningeacha kula milele. Ndiyo, milele. Ninahisi tu kama labda ndoto zangu za siha zinaweza kufikiwa ikiwa ningeweza kuacha kalori hii iliyojaa kalori-bado-oh-oh-so-nzuri carb. Inanitenganisha na hatima yangu ya 'rock-hard abs', au angalau napenda kujiambia hivyo. Hata hivyo, mimi digress.
Katika ulimwengu huu ambapo kila kitu hakina uhakika, kiasi kwamba huwezi hata kupiga chafya bila kuchangia ongezeko la joto duniani inalipa kuangalia mambo unayoweza kuzuia, kwa mfano, badala ya kutumia karatasi kwa fomu zako za biashara unaweza kutumia muundaji wetu wa fomu kuzuia matumizi mengi ya karatasi, au kuna chaguo la kutumia tena vitu badala ya kuvitupa tu, Hasa ikiwa ni kitu kama plastiki ambayo inachukua muda wa kipuuzi kuharibika kwa bio.
Hivi majuzi niligundua kuwa njia moja ya ujanja sisi sote labda tunachangia ongezeko la joto duniani (isipokuwa bila shaka huna gluteni basi... boo) ni kupitia mkate. Mkate? Unasema. Ndiyo.
Uzalishaji wa mkate na uzalishaji wa dioksidi kaboni
Je, unajua hilo Mkate mmoja wa mkate unaozalishwa nchini Uingereza unachangia kiwango cha ongezeko la joto duniani kama zaidi ya nusu kilo ya kaboni dioksidi?
Hapa kuna sehemu ya nakala kutoka kwa DW.com ambayo inaelezea hii:
"Utafiti mpya uliochapishwa katika jarida la Nature Plants, umechambua athari za mazingira za mkate mmoja kutoka kwa mbegu hadi kiamsha kinywa chetu cha kila siku. Kwa kushangaza, uharibifu mkubwa kwa sayari yetu hutokea wakati mkate wetu ni nafaka ndogo tu ya ngano.
Mbolea ndio ya kulaumiwa. Kwa usahihi zaidi, mbolea ya nitrati ya amonia. Ni peke yake inachangia karibu nusu ya uzalishaji wote wa gesi chafu ya mnyororo wa uzalishaji wa mkate.
Lakini watafiti wanasisitiza kuwa utafiti huo haulengi kutuzuia kula mkate. Badala yake, kuhamasisha watumiaji kudai uwazi zaidi, na kuongeza ushirikiano katika mnyororo wa usambazaji ili kufikia bidhaa endelevu zaidi.
Mkate ulikuwa ndoano inayohitajika ili kupata umakini wa umma.
"Kusudi letu lilikuwa kuonyesha utegemezi kupita kiasi wa mbolea katika mfumo wetu wa chakula," Liam Goucher, mwandishi mkuu wa utafiti na mtafiti katika Chuo Kikuu cha Sheffield aliiambia DW.
"Na mkate ni bidhaa ambayo kila mtu anaweza kutegemea kwa urahisi sana."
Hata hivyo, kuna tofauti muhimu kati ya mbolea za kikaboni na mbolea za madini au synthetic.
Mbolea za mwisho zinaweza kuishia kuchangia kwa kiasi kikubwa ongezeko la joto duniani kutokana na kiasi kikubwa cha nishati kinachohitajika kwa ajili ya uzalishaji wake na gesi ya oksidi ya nitrojeni (N2O) inayotolewa inapoharibika kwenye udongo, utafiti unafichua.
Mkate husaidia kuangazia katika muktadha mpana utegemezi wa matumizi yasiyo endelevu ya mbolea katika kilimo, Goucher anaamini.
Inavyoonekana, suala sio mkate, kwa ujumla. Kulingana na utafiti wangu, nilijifunza kuwa, tunaweza kupunguza matumizi ya mbolea kwa kuchakata taka za kilimo na binadamu kama mbolea, ili kuhifadhi nitrojeni katika mzunguko huo huo. Tunaweza pia kutumia bora zaidi ya kilimo hai kwa, kwa mfano, kutumia "mbolea ya kijani" au mazao yanayozunguka na kunde ambayo "hurekebisha" nitrojeni kwenye udongo.
Kwa hivyo sasa na habari hii, tunaweza kufanya nini sisi watumiaji kikamilifu, kwani hatupaswi kutarajia tu kwamba tunaweza kukaa chini na watu "juu" huko wangefanya kazi yote. Hapana, tunapaswa pia kuweka shinikizo na mahitaji yetu. Kwa moja, watumiaji wanaweza kulipa zaidi kwa "mkate wa kijani kibichi" na kukataa kuunga mkono chapa ambazo sio rafiki wa mazingira, au kutumia shinikizo kwa watengenezaji wa mkate kutumia mbolea kidogo ya syntetisk. Mabadiliko madogo hufanya tofauti zote unajua.
Fomu za SignTech ni jukwaa bunifu lisilo na karatasi ambalo hubadilisha fomu na hati zilizopo kuwa fomu zisizo na karatasi ambazo zinaweza kukamilishwa kwenye vifaa vya rununu na kusainiwa kielektroniki bila mshono (pamoja na ujumuishaji kamili wa data). Kwa habari zaidi tembelea http://www.signtechforms.com au barua pepe expert@signtechforms.com.
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