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(Not) Eating Away at Our Resources: The Crisis Behind the Food in Our Garbage

Dana Gunders

Posted August 21, 2012 in Health and the Environment, Living Sustainably

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Imagine leaving the grocery store with three bags filled to the brim with your favorite foods.  As you walk through the parking lot, one slips out of your hand.  You look at it, shrug, and just keep walking. 

Seems ridiculous, right?  But that is essentially what is occurring throughout our food system.   And in a time of drought and skyrocketing food prices, we simply can’t afford to be this inefficient.

People all around the world are investing time, land, water, energy, and loads of other resources to grow, store, process, and transport food, only for nearly half of that food to be thrown away.  Those potatoes on a breakfast platter get shrugged at because of a low-carb diet.  The cheese, for which the kid screamed bloody murder, only gets one bite before that kid is off to play again.  The chips remain at the bottom of the nacho plate because who can really eat that many chips.   

Foodwaste cover.JPGIn the United States today, about 40 percent of all food goes uneaten.  Each year Americans are throwing away the equivalent of $165 billion in uneaten food, making food the single largest component of solid waste in our landfills. This costs the average family of four between $1350 and $2275 annually.

Today, NRDC releases a report and kicks off a food waste blog series investigating the causes and extent of our food losses at every level of the supply chain, and how to get the most out of our food system through smart efficiency solutions.

But it’s not as straight forward as the potatoes left on your plate.  Food is lost all along the supply chain—on farms, during processing and distribution, in retail stores and restaurants, and in our homes. The reasons for these losses vary. At the farm level, crops can be left on the field because the price at the time of harvest is too low for farmers to recuperate even the costs of labor to harvest. Inventory can be left over at distribution centers.  Retail stores often overbuy produce in the hopes that creating the illusion of abundance in food displays will sell more.  With offerings that are two to eight times government recommended serving sizes, large portions and extensive menus can lead to food loss in restaurants. And then there are consumers at the end of the supply chain.  You and me, tossing half a sandwich simply because we don’t feel like carrying it home.

As I’ve mentioned in previous blogs, the resources consumed to grow food that is never eaten take a staggering toll on the environment, including a full 25% of freshwater consumption, 4% of oil, and about 23% of all U.S. methane production once food scraps arrive at the landfill.  Yes, landfill.  Only about 3% of food scraps in the U.S. are composted.

The good news is, it doesn’t have to be this way. We can do much better.

In fact, we didn’t used to be this wasteful. Today, we’re discarding 50% more food in the U.S. than we did in the 1970s.  Like energy, while we may never get to perfect efficiency, there are many promising ways to improve upon the current state of affairs. 

For example, the $16 billion grocery chain Stop and Shop/Giant Landover was able to save an estimated annual $100 million by conducting a thorough analysis of freshness, product loss, and customer purchases in their perishables. They found whole stock-keeping units (SKUs) that weren’t necessary. They also redesigned their displays to no longer be overfilled so that less product spoiled on the shelf (thus requiring less staff handling to sort out the damaged items).   As a direct result of increasing operations efficiency, in addition to saving loads of money, customer satisfaction rose because their produce was on average three days fresher than before.

Dining services at the University of California Berkeley campus reduced food waste in their kitchen by 43% using a software product that helps track food waste.  This amounted to savings of more than 1,000 pounds of food and $1,600 per week. 

It’s not just businesses.  Avoidable household food waste in the United Kingdom has decreased by 18% over five years, in part due to the successful public awareness campaign Love Food Hate Waste.

We all have a role to play in reducing our waste tallies, and it’s time to get moving.  See our new report for steps that people in business, government, and households can take to start addressing the problem.  The report includes more efficiency ideas, success stories, and explanations of what is causing so much food to go to waste. You can also find quick tips on helping to reduce food waste in this fact sheet.  And as you go about your three meals a day, keep in mind that no matter how sustainably our food is farmed, if it’s not being eaten, it wasn’t a good use of resources. 

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Comments

Jacqueline SmithAug 22 2012 07:43 PM

Thank you NRDC for providing valuable resources to help consumers stop wasting food.

There are so many simple ways we can all help ourselves eat what we buy. I've found that a simple checklist does the job. If you want to try it out too you can find it at dontwasteproduce.com.

Dilip DombivalikarAug 23 2012 08:16 AM

Unfortunately, creamy layered Indians are also following same trend .

Bettina CohenAug 23 2012 02:59 PM

I limit my grocery buying to what I can carry home in my back pack or shopping cart while walking from the market or taking public transportation. Easy to do in a city like SF. But I would guess in most parts of the US it is virtually impossible to go to the supermarket without taking a car, and doesn't having a car make it possible to buy more of everything, including perishable food? Finding ways to make it easy to bring home groceries without a car is one suggestion which might help reduce food waste on a household level.

A very informative blog post, Dana. I look forward to reading the report and following the food waste blog series this post kicks off.

wat stearnsAug 23 2012 08:08 PM

dear dana

i saw a week or so ago a great PDF list of 10 things we can all do at home to use less energy etc. but now it's way down in my Facebook profile. do you know what I mean could you send me same? thanks Wat

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Switchboard is the staff blog of the Natural Resources Defense Council, the nation’s most effective environmental group. For more about our work, including in-depth policy documents, action alerts and ways you can contribute, visit NRDC.org.

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