Why Biodiversity Matters in Agriculture and Food Systems

Nov 05, 2024

Imagine a world where the variety of food sources we rely on is reduced to a mere handful of species. This is not a dystopian future. It’s the path we are on right now, and it’s happening silently in fields, farms, and forests across the globe. Biodiversity—the lifeblood of our ecosystems and food systems—is under siege. Driven by climate change, habitat destruction, and the relentless march of agricultural expansion, we are witnessing an unprecedented erosion of genetic diversity. This loss is more than just a scientific or environmental concern; it’s a direct threat to global food security, and by extension, human survival.

Challenge

Biodiversity loss in agriculture is a pressing threat to global food systems, reducing our ability to cope with climate change, environmental degradation, and nutritional challenges. Over the past century, about 75% of plant genetic diversity has been lost as farmers have shifted toward high-yielding, genetically uniform crops. Today, just nine plant species account for 66% of global crop production, with rice, wheat, and maize alone providing more than 50% of the world’s plant-derived calories. This reliance on a narrow set of crops undermines food system resilience, leaving us vulnerable to pests, diseases, and climate extremes. It has also created a monocultural vulnerability reminiscent of the Irish potato famine of the 1840s, when reliance on a single, genetically uniform crop led to catastrophic losses due to disease.

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