Maize's vulnerability to global warming is much more severe than previously thought before. A staple food crop in many parts of the world, a rise in temperature of just 1 degree celsius (1.8 F) could ruin 20% of Africa's entire crop during drought season. Even with rainfall, scientists say that 65% of the maize crop would be damaged. Although maize is more heat tolerant that most crops, the quality declines the longer it is exposed to temperatures higher than 30 C (86 F). The effect worsens when drought and heat is combined, which is expected to be a frequent climate trend in Africa due to global warming. Even with rainfall, scientists say that 65% of the maize crop would be damaged.
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