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- Annual generation: 39.8 million tons (38.7% of total)
- 0.1 pounds per dollar in annual sales

Production snafus and inefficiencies can lead to huge quantities of food waste in manufacturing plants.

, for example, don’t result in a complete shutdown of the system. Food keeps coming, getting redirected as waste until the problem is fixed and the line resumes its normal flow. The trials and errors of new product development and assembly produce large amounts of waste as machines and quantities get calibrated.

While food surplus distribution from manufacturing facilities is possible, it is experimental at present and riddled with operational problems that must be addressed before it becomes a more viable waste diversion option.

- Annual generation: 25.0 million tons (24.2% of total, 39.5% of non-manufacturing total)
- 338.0 annual pounds per household

Food occupies more landfill waste than . With more people working from home and avoiding restaurants during the pandemic, a huge amount of food was consumed—and wasted—in recent years. A massive source of residential food waste—more than 80%, according to Feeding America—comes from on perishable food items.

"" labels actually indicate the last day food is considered at its peak flavor and quality; it is not an indicator of the last safe day to consume the item. Infant formula is the only product for which a date points to the safety of a food product.

- Annual generation: 17.1 million tons (16.6% of total, 27.1% of non-manufacturing total)
--- Full-service restaurants: 78,260.0 annual pounds per facility
--- Limited-service restaurants: 81,820.0 annual pounds per facility

Even at restaurants, more is not always better. Large portions, extensive menus, over-production and preparation, and poor storage all contribute to the massive amount of waste seen in the food services industry.

Over the last several decades, and are, on average, two to eight times larger than recommended serving sizes as laid out by the USDA or Food and Drug Administration. On average, a diner leaves about one-fifth of their meal uneaten on their plate, an obvious indicator of excess.

- Annual generation: 8.7 million tons (8.4% of total, 13.8% of non-manufacturing total)
--- Supermarkets: 209,760.0 annual pounds per establishment
--- Supercenters: 10.0 pounds per dollar in annual sales

Many consumers perceive misshapen or blemished food as inedible. Products close to a sell-by date are passed over for “fresher” items. These superficial imperfections mean millions of pounds of perfectly edible grocery items end up in the trash.

Stores are constantly culling and rotating produce to maintain the illusion of perfect because it’s better for business. Machine learning and artificial intelligence are assisting this stage and earlier stages along the supply chain The precision of algorithmic forecasting and stock replenishment can significantly decrease the amount of excess food ordered. Automated scanning and inspections of items determine what can go to grocery stores and what should be distributed elsewhere.

- Annual generation: 4.1 million tons (4.0% of total, 6.4% of non-manufacturing total)
- 169.9 annual pounds per employee

If you’ve ever worked in an office and been tasked with fridge cleanout duty in the shared kitchen, you’re familiar with how much food can pile up in a week. Not to mention how much ends up wasted. Leftovers from home, business meetings, or food from catered events all ultimately end up in the trash. Establishing a composting program in the office and donating untouched food from events are good diversion strategies for food waste.

- Annual generation: 4.0 million tons (3.9% of total, 6.3% of non-manufacturing total)
- 241,360.0 annual pounds per facility

Poor shelf-life predictions and consumer standards contribute to food waste among wholesalers. Additionally, the disposal of large quantities of a particular item during an outbreak like e.coli, for example, results in a tremendous waste of unaffected products.

To mitigate waste, new products and smart technologies promise to help divert food waste in the wholesale sector for animal feed or collect data to help suppliers more precisely balance supply and demand.

- Annual generation: 1.2 million tons (1.2% of total, 2.0% of non-manufacturing total)
- 0.4 pounds per meal

To ensure students get the most nutrition out of their school meals, it’s essential they actually eat what gets packed at home or served at the school cafeteria. Yet many schools have —in about 20% of schools, just 15 minutes—which is cited as a huge barrier to a student’s ability to finish an entire meal.

offer myriad opportunities to reduce food waste, from planning menus and lengthening lunchtime to rethinking how food is prepared and served. Schools can streamline orders to prevent over-purchasing, plan for proper storage, and better train kitchen staff to reduce waste while cutting produce items. It can also help plan meals that students actually like and will readily consume, helping to reduce the likelihood that they’ll throw away partially eaten meals.

- Annual generation: 1.2 million tons (1.2% of total, 1.9% of non-manufacturing total)
- 1,137.8 annual pounds per employee

Buffets are one of the largest sources of food waste at hotels. Overproduction, guests taking more than they can consume, and the fact that many hotels keep buffets fully stocked for the duration of the meal service all contribute to significant volumes of food being thrown away.

A 2017 study from global design firm Ideo, first reported by the New York Times, found that of all buffet food in hotels . In recent years, began partnering with local food rescue organizations to donate unused food and serve their communities.

- Annual generation: 613,106 tons (0.6% of total, 1.0% of non-manufacturing total)
- 20.0 annual pounds per student

Not only do colleges waste huge amounts of food due to overproduction and extensive menus, but their for it.

The Bureau of Labor Statistics estimates a single person spends  on food each day, but an average undergraduate pays $18.75 per day via their school meal plan. College students pay nearly 70% more per day to eat on campus than they would likely pay buy and cook their own food. Waste diversion efforts on college campuses can include composting and partnering with local food waste recovery organizations.

Harvard, for instance, donates roughly to local programs.

- Annual generation: 451,124 tons (0.4% of total, 0.7% of non-manufacturing total)
- 657.0 annual pounds per bed

Nursing homes are to provide all residents with three meals each day whether they want them or not. They are also required to provide a variety of menu options.

This amount of food, coupled with the fact that appetites tend to decrease with age, produces a tremendous amount of daily food waste. Senior living centers that have switched to , like Mount Baker Care Center in Bellingham, Washington, have seen a reduction in institutional food costs and overall plate waste. This type of dining offering has also increased family visits.

- Annual generation: 440,679 tons (0.4% of total, 0.7% of non-manufacturing total)
- 1.1 daily pounds per inmate

A number of correctional facilities across the country have begun composting to divert food waste. In 2019, Vermont’s correctional facilities composted roughly 11,000 pounds of food each week, preventing 572,000 pounds of food waste from ending up in the trash that year. in Washington and Pennsylvania compost food waste while also teaching inmates about sustainable farming. Washington Corrections Center’s Hope Garden donated nearly to local food banks in 2020.

- Annual generation: 426,057 tons (0.4% of total, 0.7% of non-manufacturing total)
- 654,000.0 annual pounds per establishment

Food banks themselves can serve as a waste diversion and redistribution strategy. In 2019, the world’s three largest food bank networks of food and fed 66.5 million people. But not all food diverted to a food bank is distributable. A published in 2016 found that many canned goods past their expiration date were discarded, ultimately ending up as waste despite still being safe for consumption most of the time.

- Annual generation: 301,576 tons (0.3% of total, 0.5% of non-manufacturing total)
- 653.1 annual pounds per bed

Several factors contribute to food waste at hospitals, including overproduction, the reduced appetite of patients, and bad-tasting options. leave their meals uneaten, according to a 2019 study by nutritionDay, leading to large amounts of waste as well as malnutrition among patients.

To divert uneaten food from landfills, some hospitals donate meals to the local community. In less than a year, Sutter Health was able to to 20 non-profit organizations that feed food-insecure residents of Northern California. Room service models, where patients can order from a limited but flexible menu, have been shown to reduce plate waste from .

- Annual generation: 61,373 tons (0.1% of total, 0.1% of non-manufacturing total)
- 105.3 annual pounds per active duty member

A U.S. Army Engineer Research and Development Center study published in 2016 estimated the annual cost for simply managing food waste at military installations was . To combat waste and costs, many military bases have implemented food digesters and detailed tracking to identify wasteful habits and areas for waste reduction.

A (published in 2019) on food waste in military kitchens revealed that overproduction accounted for 83% of food waste on the base. Calorie restrictions, for example—sometimes implemented for entire units by Army nutritionists—are not consistently communicated to base cooks. As a result, a wide range of food is prepared to meet various dietary needs and subsequently wasted. The timing of field exercises, or more specifically the lack of communication about field exercises that conflict with meal times, also contributes to large amounts of waste.

- Annual generation: 38,154 tons (0.0% of total, 0.1% of non-manufacturing total)
- 0.3 annual pounds per visitor

Sports venues and franchises have made significant gains in working toward hosting zero-waste events.

Just three years ago, State Farm Arena—home to the NBA’s Atlanta Hawks— only diverted between 10 and 20% of waste from landfills. The venue in 2021 held its first zero-waste event during the playoffs and, less than a year later, became the .

More than 340 teams across the U.S., from college programs to professional leagues, are working with to reduce food waste by implementing meat and plastic replacements, reusable or recyclable packaging, composting, and donations of unsold items.