I’m a Climate Scientist—Here Are 26 Climate Myths I’m Tired of Hearing

22. ‘More CO2 Means Better Crops and Food Security’

While plants use CO₂ for growth, rising CO₂ and temperatures often harm crops rather than help them.
As explained by the FAO, climate change brings more droughts, heatwaves, pests, and nutrient loss—all of which threaten food security. The negative impacts of a warming world on agriculture outweigh any minor gains from increased CO₂ alone.