Does 'Sustainability' Help The Environment Or Just Agriculture's Public Image? Big food companies like Walmart want farmers to reduce greenhouse emissions from nitrogen fertilizer. But the best-known program to accomplish this may not be having much effect. Big food companies like Walmart want farmers to reduce greenhouse emissions from nitrogen fertilizer. But the best-known program to accomplish this may not be having much effect. Business
Big food companies like Walmart want farmers to reduce greenhouse emissions from nitrogen fertilizer. But the best-known program to accomplish this may not be having much effect.
Read more on NPR