Upotevu wa chakula ni Mchangiaji Mkubwa wa Mgogoro wa Mazingira
Baadhi yetu ni waaminifu kwa heshima yetu kwa sayari, tunasindika tena, tunahakikisha kuwa hatuna karatasi, kuhifadhi maji, na hata kushiriki katika programu za uhamasishaji ili kuwaonyesha watu wengine jinsi ya kusaidia kuokoa usawa dhaifu wa mfumo wa ikolojia kutoka kwa uharibifu kamili. Lakini! Licha ya kwamba idadi hiyo ni mamilioni, ikilinganishwa na mabilioni ya watu ulimwenguni, huwezi kujizuia kuhisi kuwa hatufanyi vya kutosha.
Kutokana na tafiti tofauti zilizofanywa na wanasayansi mbalimbali na mashirika yasiyo ya faida, nitaonyesha takwimu za kushangaza ambazo zinapaswa kukuonyesha jinsi tatizo la upotevu wa chakula lilivyo kubwa hivi sasa.
Uzalishaji wa chakula na CO2
Nchini Uingereza zaidi ya dola bilioni 20 za chakula hupotea kwa mwaka. Ikiwa taka za chakula zitashughulikiwa vizuri nchini Uingereza ni sawa na kuchukua gari moja kati ya tano barabarani.
Nchini Marekani, ikiwa chakula kinachotupwa kimetiwa mbolea, hupunguza uzalishaji wa CO2 kwa kiasi kikubwa hivi kwamba ni nishati sawa na kuondoa magari milioni 2 barabarani mwaka huo.
Inakadiriwa kuwa ifikapo mwaka 2075 tutakuwa tumefikia kilele cha idadi ya watu takriban bilioni 9.5.
Upotevu wa chakula na maji
Karibu trilioni 4 m3 ya maji hutumiwa na wanadamu kwa mwaka- karibu 70% ya maji haya hutumiwa katika sekta ya kilimo. Inasemekana kuwa mifumo bora ya umwagiliaji inaweza kuboresha mavuno ya mazao na inaweza kuwa na ufanisi zaidi wa 33%.
Leo karibu tani bilioni 4 za chakula huzalishwa kwa mwaka, lakini karibu tani bilioni 2 hazifikii tumbo. Kiasi kikubwa cha ardhi, nishati, mbolea, maji na nafasi ya taka hupotea kwa sababu ya hii.
Chakula na uwezo uliopotea
Inakadiriwa kuwa nchini Marekani pekee kiasi cha upotevu wa chakula ni sawa na uzalishaji mzima wa chakula wa Afrika Kusini mwa Jangwa la Sahara, na zaidi ya nusu ya nafaka za kila mwaka duniani.
Je, unajua kwamba nchini Marekani pekee nishati nyingi hupotea katika kutunza bidhaa za chakula zilizopotea hivi kwamba ni sawa na lita trilioni 40 za maji? Hiyo ni kiasi cha maji kinachohitajika kuzalisha 30% ya chakula kinachopotea kila mwaka (hiyo inatosha kukidhi mahitaji ya familia milioni 500).
Unaweza kujiambia, lakini upotevu wa chakula hauwezi kusaidiwa, ni ama ninajijaza mwenyewe au inashuka kwenye pipa. Kuna njia za kukabiliana na hali hii na huanza na wewe, mtu binafsi. Uchunguzi unaonyesha kuwa karibu nusu ya chakula kinachozalishwa ulimwenguni hupotea. Takriban 50% ya hii ni kutoka kwa kaya kama yako na yangu, ikimaanisha kuwa sisi ni nusu ya shida. Na hii inatufanya tuwe nusu ya suluhisho.
Imechukuliwa kutoka kwa msingi wa David Suzuki, hapa kuna vidokezo vitano vya jinsi ya kupunguza upotevu wa chakula nyumbani:
“1.Chukua mazao kutoka kwa mifuko ya plastiki. Vifuniko visivyopitisha hewa
kukosa hewa mazao mapya na kuharakisha mchakato wa kuoza.
2. Usioshe mazao hadi uwe tayari kula. Unyevu
inahimiza mtengano na ukuaji wa ukungu.
3. Usiparue shina za matunda. Mara tu seli hai zinapovunjwa,
microorganisms huanza kukua. Weka mazao yote kwa muda mrefu
iwezekanavyo.
4. Kula vitu vinavyoharibika zaidi kwanza-raspberries hudumu chache
Siku; Viazi zinaweza kuning'inia kwa karibu mwezi mmoja.
5. Kuharakisha mchakato wa kukomaa kwa kuweka kipengee (peach,
kwa mfano) kwenye mfuko wa karatasi na ndizi."
Unaweza kutazama PDF Hapa.
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