As CO2 levels climb, millions at risk of nutritional deficiencies
date:Aug 28, 2018
rs on CO2-related nutritional deficiencies, which looked at fewer foods and fewer countries.

The study showed that by the middle of this century, when atmospheric CO2 concentrations are expected to reach around 550 ppm, 1.9% of the global population -- or roughly 175 million people, based on 2050 population estimates -- could become deficient in zinc and that 1.3% of the global population, or 122 million people, could become protein deficient. Additionally, 1.4 billion women of childbearing age
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