translation.en: By 2030, if the maize, or corn, varieties, which is the dominant crop -- 50 percent of the nutrition in Southern Africa are still in the field -- in 2030, we'll have a 30 percent decrease in production of maize because of the climate change already in 2030.
translation.zh: 在2030年，苞谷，或玉米，这些品种，这是主流作物 -- 南非50％的[不清楚] 还在田地里 -- 在2030年，我们将会遭遇玉米30％的减产 因为气候在2030年时已经变化了。