The document discusses the issue of food waste, particularly in restaurants and hotels. It states that approximately 1.3 billion tons of food is wasted globally each year, equivalent to 30% of total food production. The hospitality industry accounts for a large portion of this waste. Common causes of food waste in restaurants include overbuying, overproduction, and spoilage. The document provides suggestions for restaurants and chefs to reduce food waste, such as conducting waste audits, asking customers if they want leftovers, more precise inventory tracking, and donating or composting excess food.