A drone used to monitor a plot of a heat-tolerant hybrid maize at the Chiredzi Research Station, in Zimbabwe, last year. Picture: AFP

Green revolution 2.0: bugs, mock meats, GM crops on the menu

High-yielding crop varieties and mechanisation transformed global agriculture and prevented mass starvation in the 20th century. With the population expected to touch 10 billion by 2050, it may be time for another rethink

A drone used to monitor a plot of a heat-tolerant hybrid maize at the Chiredzi Research Station, in Zimbabwe, last year. Picture: AFP
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