Muna 2006, marasha akaita 25% yeiyo simba kutanga nyika. Muna 2012, iri pa29,6%. Iyo kushandiswa de marasha Pasi rese, inomiririra 184.000 kilos pasekondi, ndiko kuti, matani mabhiriyoni 5,8.
ari kuchengeta Yakaratidza matura emarasha akura kubva pamakore makumi maviri nemaviri kusvika mazana mana negumi nemana ekugadzira pakati pa227 na144. marasha zvinoongororwa mumatani anopfuura mabhiriyoni mazana masere nemakumi masere kusvika makumi masere nesere, uye zvinogoverwa munyika dzinopfuura makumi manomwe. Matura makuru ari mu States Kubatana, Rashiya, China uye India.
Angave here marasha mazuva akaverengwa kubva mugore ra2048, zvinoenderana nemaitiro azvino ekuwedzera kubudisa, kana chete muna 2075, zvinoenderana nekufambira mberi kushoma pane izvi?
Zvinoenderana nechiitiko kakawanda chakaburitswa, kana iyo kushandiswa inoramba ichingogara, inozivikanwa marasha matura anogona kugara zvirinani dos mazana emakore. Muchokwadi, kugadzirwa kwemarasha kunofanirwa kupfuura ne maximum na2030, iine kubudisa padyo nemamiriyoni zviuru zvisere zvematani pagore, uye zvobva zvapinda materu.
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