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Climate change affects the quality of one of the world's most important staple foods
Depending on the cultivar, higher concentrations of carbon dioxide (CO₂) in the atmosphere can significantly alter the protein composition of wheat.
AI Summary
A new study led by the Leibniz Institute for Food Systems Biology at the Technical University of Munich finds that higher atmospheric carbon‑dioxide concentrations can markedly change wheat’s protein composition, influencing both baking quality and the tolerability of wheat products. The researchers note that climate‑driven CO₂ levels have risen from roughly 340 ppm in 1980 to about 425 ppm in 2024 and could approach 600 ppm by 2050, meaning future wheat will grow under substantially elevated CO₂. The paper, published in Food Chemistry, argues that crop adaptation strategies should prioritize quality traits such as protein makeup alongside yield.
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