Introduction

Modern agriculture's heavy reliance on fossil fuels has made food production unexpectedly vulnerable to energy market swings. As fertilizer costs climb to record highs, farmers face pressure that ripples through to grocery store prices.

What Happened

Fertilizer prices spiked dramatically in 2024 and 2025 after natural gas prices surged following geopolitical tensions in the Middle East. The conflict in Iran disrupted supply chains, while the closure of the Strait of Hormuz blocked a major route for global fertilizer shipments. With about one-third of seaborne fertilizer trade passing through that narrow waterway, access became uncertain for many regions. Simultaneously, 31 ammonia plants in the Middle East and 20 in Russia were damaged or shut down, tightening supply further. Urea, the most widely used fertilizer, reached over $850 per metric ton in April, an 80% increase from pre-conflict levels and the highest point since 2022. Although prices have since moderated, analysts warn they could remain elevated through 2028, straining farmers already working with thin profit margins.

Why This Matters

When fertilizer prices rise, the cost quickly moves downstream to consumers. Farmers with limited margins cannot absorb the shock easily, and those higher costs often translate into higher food prices for everyone. The dependence on natural gas both as an energy source and a chemical input in ammonia production means every energy market fluctuation directly affects farm budgets. Beyond economics, the environmental cost is significant: conventional fertilizer production accounts for roughly 2% of global greenhouse gas emissions. As climate goals tighten, the cycle of energy-intensive farming and climate impact feeds itself, creating a feedback loop that threatens both food security and climate progress.

Key Takeaways

  • Microbial fertilizer companies like Pivot Bio and Switch Bioworks are developing microbe-based products that reduce reliance on natural gas.
  • Pivot Bio's solutions are already cost-competitive with traditional fertilizers and can replace 25% of synthetic nitrogen today, with goals to reach 40% to 50% replacement in the future.
  • Switch Bioworks emphasizes that these alternatives can help stabilize farmer costs while lowering the carbon footprint of crop production.
  • Industry analysts predict fertilizer prices may stay high through at least 2028, partly due to ongoing plant shutdowns and supply chain disruptions.
  • Diversifying fertilizer sources and investing in biological alternatives could provide farmers with more price resilience and reduce the food-energy price link.

Conclusion

The current fertilizer crisis highlights how deeply food production is tied to fossil fuel markets. While short-term price spikes seem likely to persist, microbial and biological alternatives offer a promising path toward decoupling farm costs from energy markets. For farmers, consumers, and climate goals, supporting these innovations could mean more stable prices, lower emissions, and a more secure food future.