Elevated CO2 levels cause mineral deficiency in plants resulting in less nutritious crops. For years, one of the only possible bright sides of increasing levels of atmospheric carbon dioxide (CO2) seen by scientists is enhanced photosynthesis. After all, plants use carbon dioxide for photosynthes
Elevated levels of CO2 make it difficult for plants to obtain the minerals necessary to grow and provide nutritious food.For years, one of the only possible bright sides of increasing levels of atmospheric carbon dioxide seen by scientists is enhanced. After all, plants use carbon dioxide for photosynthesis, so it was expected that higher levels of the greenhouse gas will lead to more productive plants.
“Two main nutrients that are essential for human nutrition may be affected by this phenomenon,” adds Gojon. “The first one is proteins built from nitrogen. In developing countries this can be a big issue, because many diets in these countries aren’t rich in proteins and plants grown at elevated COcan have twenty to thirty percent less protein. The second one is iron. Iron deficiency already affects an estimated 2 billion people worldwide.
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