What Is Food Waste and How Does It Affect the Environment?

Food waste is any edible food that gets discarded instead of consumed, from the lettuce that wilts in your crisper drawer to the untouched restaurant meals scraped into bins at closing time. This waste isn’t just a lost dinner. When food breaks down in landfills, it generates methane, a greenhouse gas 28 times more potent than carbon dioxide over a 100-year period. Beyond emissions, wasted food represents squandered water, energy, labor, and land resources that went into growing, processing, and transporting meals no one ever ate.
The numbers tell a stark story. Roughly one-third of all food produced globally never reaches a …