Climate change will make hundreds of millions more people suffer from nutritional deficiencies

The Guardian reports:

Rising levels of carbon dioxide could make crops less nutritious and damage the health of hundreds of millions of people, research has revealed, with those living in some of the world’s poorest regions likely to be hardest hit.

Previous research has shown that many food crops become less nutritious when grown under the CO2 levels expected by 2050, with reductions of protein, iron and zinc estimated at 3–17%.

Now experts say such changes could mean that by the middle of the century about 175 million more people develop a zinc deficiency, while 122 million people who are not currently protein deficient could become so.

In addition, about 1.4 billion women of childbearing age and infants under five years old will be living in regions where there will be the highest risk of iron deficiency. [Continue reading…]

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