Microplastics—tiny fragments of degraded plastic—are often associated with ocean pollution and threats to marine life. However, emerging research reveals that their impact extends far beyond the seas, infiltrating agricultural soils and potentially jeopardizing global food security. As these microscopic particles accumulate in farmlands, they pose a serious risk to staple crops such as wheat, rice, and corn. Even slight reductions in crop yields could drive up food prices, intensifying hunger in regions already struggling with food insecurity. Given that billions of people depend on these essential crops, the increasing presence of microplastics in agriculture demands urgent attention.

As plastic waste continues to degrade into smaller particles, its risks to both environmental and human health become increasingly evident. Scientists warn that, without immediate action and further research, microplastic contamination could quietly become one of the most pressing challenges to global food production.

Key Findings:

• Microplastics hinder plant photosynthesis, leading to an estimated 4% to 14% decline in global yields of wheat, rice, and maize.
• Research suggests that crop losses caused by microplastics may be comparable to those attributed to climate change in recent decades.
• In addition to harming agriculture, microplastics in oceans may reduce fish stocks by up to 7%, further exacerbating global food shortages.

Addressing microplastic pollution in agricultural systems is crucial to ensuring long-term food security. Policymakers, scientists, and environmental advocates must work together to develop solutions that mitigate these emerging risks before they become irreversible.

source：https://www.ehn.org/microplastics-may-worsen-global-hunger-by-harming-crop-growth-2671306182.html