Kuchokera ku Montreal kupita ku Kyoto kudzera ku Paris, alimi atsopano akumatauni akulima zipatso ndi ndiwo zamasamba m'njira zatsopano
Maulosi a UN adayika anthu padziko lonse lapansi pa 9.7 biliyoni pofika 2050 - pomwe 80 peresenti yaiwo amakhala m'mizinda. Ndimo milomo yambiri yodyetsera. Koma chakudya cha anthu ambiri okhala m’mizinda chimachokera kutali kwambiri. Mu boma la US Iowa, yomwe ndi yachitatu pakukula kwaulimi, 80 peresenti ya chakudya chomwe chimagwiritsidwa ntchito chayenda mtunda wopitilira 1,900km.
Ngati mizinda ili mbali ya vutoli, ndiye kuti iyenera kukhala mbali ya njira yothetsera vutoli. Kulimbana ndi vutoli ndi mtundu watsopano wa alimi akumidzi. Mayankho ake ndi osiyanasiyana monga mizinda yathu ndipo nthawi zambiri amakhala ndiukadaulo wapamwamba kwambiri. 'Tiyenera kuwona mzindawu ngati zovuta zosiyanasiyana komanso njira zosiyanasiyana zaulimi wakutawuni ngati zida mubokosi lazida. Palibe chofanana ndi chilichonse pankhani yokonza njira zopangira chakudya cham'deralo komanso chokhazikika,' akutero Henry Gordon-Smith, CEO wa Agritecture, kampani yokonza zaulimi wakutawuni.
Koma awa si minda yanu yoweta m'kati mwa mzinda wakale. Lufa Farms in Montreal, Canada, ndi mmodzi mwa ochita upainiya ndipo amamanga nyumba zobiriwira pamwamba pa nyumba za mafakitale zokhala ndi hydroponics, momwe zomera zimamera m'madzi okhala ndi mchere wambiri.
Kampaniyo idakhazikitsidwa ndi a Mohamed Hage, wochokera ku Lebanon, ndipo tsopano akugwira ntchito kumadera anayi ku Montreal. Atakulira m'tauni yaying'ono yomwe imapanga chakudya chake, Hage adaphonya kukoma ndi mtundu wa zokolola zatsopano, zomwe zimalimidwa kwanuko ku Montreal. 'Palibe chilichonse chokhudza ulimi wa m'tauni chomwe chilidi chosintha, ndi kungosangalala ndi chinthu chakale kwambiri,' akutero.
Mizinda imavutika ndi "chilumba chotentha cha m'tawuni" chifukwa nyumba zomwe zimalowa m'malo mwa zomera zimayamwa ndikusunga kutentha - zomwe zimafuna mpweya wowonjezera. Ichi ndichifukwa chake mumamva kutentha kwambiri mumzindawu, malo oyandikana nawo nthawi zambiri amakhala otentha pang'ono kuposa madera obiriwira. Mafamu akumatauni amathandizira mizinda 'yobiriwira', kuchepetsa kutentha, kutulutsa CO2 mumlengalenga ndikutulutsa mpweya watsopano.
Mafamu atatu a Lufa ali pamwamba pa madenga omwe sanagwiritsidwepo ntchito, pomwe wachinayi adapangidwa mwadala ndi nyumba yotenthetsera padenga. Ndizosavuta kuganiza kuti uku ndi dontho chabe m'nyanja koma sabata iliyonse amakolola zipatso ndi masamba okwana 25,540 kg - magawo awiri pa zana a chakudya cha Montreal. Malo aposachedwapa ku Ville Saint-Laurent, omwe panopo ndi malo aakulu kwambiri padziko lonse otenthetserako kutentha padenga padziko lonse, pawokha ndi amene apanga pafupifupi theka la zonsezi.
Ku Ulaya, Paris ili patsogolo pa kusinthaku, chifukwa chachikulu cha khonsolo ya mzindawu. Kutentha kwakukulu mu 2003 kudapha anthu 14,802 ku France. Pofuna kuthana ndi zilumba zotentha m'tawuni, meya wa Paris Anna Hidalgo adayambitsa Parisculteurs akukonzekera kupanga mahekitala 100 a malo obiriwira pofika chaka cha 2020, ndipo gawo limodzi mwa magawo atatu azigwira ntchito zaulimi wakutawuni.
Makampani omwe adalowa pamsika akuphatikizapo Nature Urbaine, famu yaikulu kwambiri padziko lonse lapansi padenga, yomwe ili pamwamba pa malo owonetserako Porte de Versailles. Pamalo okwana masikweya mita 14,000, famuyo imalima mitundu 30 ya masamba ndi zitsamba, komanso imabwereketsa magawo 140 kwa anthu amderalo. Sous ndi Fraises, pakali pano, ali ndi minda isanu ndi inayi yomwe ili pamwamba pa denga lomwe amalima mbewu zabwino kwambiri monga zipatso ndi ma hop.
Mizinda nthawi zambiri imakhala ndi malo apansi osagwiritsidwa ntchito. Phanga amagwiritsa ntchito malo oimika magalimoto akale a ku Paris. 'Ulimi ndi nkhondo yoyamba ya nthaka, kotero kulima pansi pa nthaka kunali njira yothetsera vuto chifukwa ndikosavuta ndipo pali malo ambiri osagwiritsidwa ntchito,' akutero woyambitsa mnzake Théo Champagnat. Komabe, ntchito zoterezi nthawi zambiri zimafuna magetsi a LED kuti apangitse kusowa kwa dzuwa, choncho mphamvu zambiri zimagwiritsidwa ntchito. Posankha mbewu mosamala, La Caverne wapewa izi. 'Ulimi wa LED umaimira zosakwana zisanu pa zana za ntchito zathu. Chicory amamera mumdima wathunthu ndipo bowa amafuna kuwala kochepa,' akutero Champagnat.
Kugwira ntchito kungakhale mtengo waukulu kwa mafamu ambiri akumidzi. Koma molonjeza, Japan kampani Kufalitsa apanga famu yoyamba padziko lonse lapansi yopangira makina, Techno Farm Keihanna ku Kyoto. 'Kukula kwa malo omwe akukulirakulira kumakhala kovuta kwambiri kuti atsimikizire kupanga kokhazikika pazinthu monga mtundu wazinthu, kukula kwake ndi kuchuluka kwake. Nthawi yomweyo, kupanga kokhazikika ndikofunikira kuti ntchitoyo ikhale yofanana ndi yomwe ikufunika kuti ikhale yogwira ntchito bwino, "atero mneneri wa Spread. Chomerachi tsopano chimatulutsa matani atatu a letesi tsiku lililonse.
Makinawa agwira ntchito zambiri zopanga zinthu monga kubzala, kukweza mbande ndi kunyamula mapanelo olima. "Tikuganiza kuti izi zithandiza kuti ulimi ukhale wosangalatsa kwa achinyamata, ndikuthandizira kuti ulimi ukhale wokhazikika," mneneri wa Spread akuwonjezera. Sikuti letesi amene amapangidwa alibe mankhwala ophera tizilombo okha, komanso amakhala ndi beta-carotene (chofunika kwambiri) cha letesi wamba wa iceberg.
Ngakhale anthu ndi mabizinesi ang'onoang'ono atha kuchitapo kanthu pa LA Urban Farms' Tower Garden. Pogwiritsa ntchito modular aeroponic tower system, imatha kulowa m'malo ang'onoang'ono ngati khonde. 'Zimapangitsa kuti kudya kopatsa thanzi kupezeke bwino mukakhala ndi chakudya chatsopano m'bwalo lanu kapena kumalo odyera chifukwa muli ndi mphamvu pazakudya zanu,' akutero woyambitsa Wendy Coleman. Ndithu, ndicho chakudya chosavuta kwambiri.