Food waste management refers to systems and practices that reduce, recover, recycle, or safely dispose of food that is discarded across every stage of the supply chain—from farm through processing, retail, and end-consumer. Key measures include improving collection & transportation of food waste, establishing composting and anaerobic digestion facilities, encouraging food donation, using by-products for animal feed or energy, and implementing better tracking & waste prevention strategies. Challenges often involve controlling contamination, managing logistics, policy & cultural barriers, and ensuring food safety in recovery.