​A study revealed that microplastics significantly impede photosynthesis in both terrestrial plants and marine algae, leading to an estimated 12% reduction in staple crops and a 7% decline in marine algae productivity.
Damian Carrington in the Guardian reports: https://www.theguardian.com/environment/2025/mar/10/microplastics-hinder-plant-photosynthesis-study-finds-threatening-millions-with-starvation