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New Dutch study: Rising carbon dioxide levels threaten global food security

2025-11-25 20:01:00, Sociale CNA

New Dutch study: Rising carbon dioxide levels threaten global food security

New research by scientists in the Netherlands shows that rising CO2 levels are leading to changes in the composition of staple agricultural products like rice and barley, making them richer in calories but poorer in key nutrients like protein, iron and zinc. This means the food we eat could be higher in calories but less nutritious, which could contribute to weight gain.

The research strengthens the link between climate change and health, providing a new dimension to the consequences of increasing CO2 concentrations in the atmosphere.

"Food security is threatened, even if food security remains satisfactory. Food is becoming more caloric and less nutritious. As a result, people may face higher rates of obesity, weakened immune systems and more chronic diseases," say researchers from Leiden University.

Overall, the findings suggest that people may need to adapt their eating patterns in the future, or find more space and equipment to grow edible crops in special conditions with more carefully controlled CO? levels.

Researchers warn that the impact of rising global CO? levels is already being reflected in its levels in the air compared to previous decades./CNA





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