Mother Jones: In a recent Nation piece, the wonderful Elizabeth Royte teased out the direct links between hydraulic fracturing, or fracking, and the food supply. In short, extracting natural gas from rock formations by bombarding them with chemical-spiked fluid leaves behind fouled water--and that fouled water can make it into the crops and animals we eat.
But there's another, emerging food/fracking connection that few are aware of. US agriculture is highly reliant on synthetic nitrogen fertilizer, and nitrogen...