explain how corbon dioxide emmision could decrease food security..
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Elevated carbon dioxide concentrations in the atmosphere may increase water-use efficiency in crops and considerably mitigate yield losses due to climate change, according to a new study.
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Crops such as wheat, rice and soybeans were all found to have decreased concentrations of iron and zinc when exposed to the higher levels of CO2. Experts said that the effect, which has been observed before but never conclusively proven in the field, represents “a significant threat to human nutrition”.
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