Garbage picking is the practice of sifting through commercial or residential waste to find items that have been discarded by their owners, but that may prove useful to the garbage picker. Garbage picking may take place in dumpsters or in landfills. When in dumpsters, the practice is called dumpster diving in American English and skipping in British English. Dumpster diving is viewed as an effective urban foraging technique. Dumpster divers forage dumpsters for items such as clothing, furniture, food, and similar items in good working condition. Some people dumpster dive out of necessity due to poverty, while others are high end professional divers that can earn 100s of thousands of US dollars per year.
The dumpster-diving term originates from the best-known manufacturer of commercial trash bins, Dempster, which uses the trade name "Dumpster" for its bins, and the image of someone leaping head first into a Dumpster as if it were a swimming pool. In practice, the size and design of most Dumpsters makes it possible to retrieve many items from the outside of Dumpsters without having to "dive" into them. Alternative names for the practice include bin-diving, containering, D-mart, dumpstering, tatting, skipping, or recycled food. In Australia, garbage picking is called "skip dipping."
The term "binner" is often used to describe individuals who collect recyclable materials for their deposit value. For example, in Vancouver, British Columbia, binners, or bottle collectors, search garbage cans and dumpsters for recyclable materials that can be redeemed for their deposit value. On average, these binners earn about $40 a day for several garbage bags full of discarded containers.
The karung guni, Zabbaleen, the rag and bone man, waste picker, junk man or bin hoker are terms for people who make their living by sorting and trading trash. A similar process known as gleaning was practiced in rural areas and some ancient agricultural societies, where the residue from farmers' fields was collected.
The organization Same Day Dumpsters has written, "Traditionally, most people who resorted to dumpster-diving were forced to do so out of economic necessity, but this is not the case today." However, dumpster diving still occurs by some out of necessity due to problems with poverty. Some dumpster divers perform in organized groups, and some organize on various internet forums and social networking websites. By reusing, or repurposing, resources destined for the landfill, dumpster diving may be environmentalist endeavor (and is thus practiced by many pro-green communities). The wastefulness of consumer society and throw-away culture compels some individuals to rescue usable items (for example, computers) from destruction and divert them to those who can make use of the items.
A wide variety of things may be disposed while still repairable or in working condition, making salvage of them a source of potentially free items for personal use, or to sell for profit. Irregular, blemished or damaged items that are still otherwise functional are regularly thrown away. Discarded food that might have slight imperfections, near its expiration date, or that is simply being replaced by newer stock is often tossed out despite being still edible. Many retailers are reluctant to sell this stock at reduced prices because of the risks that people will buy it instead of the higher-priced newer stock, that extra handling time is required, and that there are liability risks. In the United Kingdom, cookery books have been written on the cooking and consumption of such foods, which has contributed to the popularity of skipping. Artists often use discarded materials retrieved from trash receptacles to create works of found art or assemblage.
Students have been known to partake in dumpster diving to obtain high tech items for technical projects, or simply to indulge their curiosity for unusual items. Dumpster diving can additionally be used in support of academic research. It serves as the main tool for garbologists, who study the sociology and archeology of trash in modern life. Private and government investigators may dumpster dive to obtain information for their inquiries.
Arguments against dumpster diving often focus on the health and cleanliness implications of people rummaging in trash. This exposes the dumpster divers to potential health risks, and, especially if the dumpster diver does not return the non-usable items to their previous location, may leave trash scattered around. Divers can also be seriously injured or killed by garbage collection vehicles; in January 2012, in La Jolla, Swiss-American gentleman Alfonso de Bourbon was killed by a truck while dumpster diving. Further, there are also concerns around the legality of taking items that may still technically belong to the person who threw them away (or to the waste management operator), and whether the taking of some items like discarded documents is a violation of privacy.
Discarded billing records may be used for identity theft. As a privacy violation, discarded medical records as trash led to a $140,000 penalty against Massachusetts billing company Goldthwait Associates and a group of pathology offices in 2013 and a $400,000 settlement between Midwest Women’s Healthcare Specialists and 1,532 clients in Kansas City in 2014.
Since dumpsters are usually located on private premises, divers may occasionally get in trouble for trespassing while dumpster diving, though the law is enforced with varying degrees of rigor. Some businesses may lock dumpsters to prevent pickers from congregating on their property, vandalism to their property, and to limit potential liability if a dumpster diver is injured while on their property. Dumpster diving is often not prohibited by law. Abandonment of property is another principle of law that applies to recovering materials via dumpster diving.
Police searches of dumpsters as well as similar methods are also generally not considered violations; evidence seized in this way has been permitted in many criminal trials. The doctrine is not as well established in regards to civil litigation.
Companies run by private investigators specializing in dumpster diving have emerged as a result of the need for discreet, undetected retrieval of documents and evidence for civil and criminal trials. Private investigators have also written books on "P.I. technique" in which dumpster diving or its equivalent "wastebasket recovery" figures prominently.
In 2009, a Belgian dumpster diver and eco-activist nicknamed Ollie was detained for a month for dumpster diving, and was accused of theft and burglary. On February 25, 2009, Ollie was arrested for taking food from a dumpster at an AD Delhaize supermarket in Bruges. His trial evoked protests in Belgium against restrictions from taking discarded food items.
In Ontario, Canada, the Trespass to Property Act - legislation dating back to the British North America Act of 1867 - grants property owners and security guards the power to ban anyone from their premises, for any reason, permanently. This is done by issuing a notice to the intruder, who will only be breaking the law upon return. Similar laws exist in Prince Edward Island and Saskatchewan. A recent case in Canada, which involved a police officer who retrieved a discarded weapon from a trash receptacle as evidence, created some controversy. The judge ruled the policeman's actions as legal although there was no warrant present, which led some to speculate the event as validation for any Canadian citizen to raid garbage disposals.
In Germany, dumpster diving has been referred to as "containern", and a dumpster's contents are regarded as the property of the dumpster's owner. Therefore, taking items from a dumpster is viewed as theft. Be that as it may, the police will routinely disregard the illegality of dumpster diving seeing as the items found are generally of low value. There has only been one known instance where divers were to be prosecuted: the individuals were arrested on assumed burglary as they had surmounted a supermarket's fence which was then followed by a theft complaint by the owner.
In the United States, the 1988 California v. Greenwood case in the U.S. Supreme Court held that there is no common law expectation of privacy for discarded materials. There are, however, limits to what can legally be taken from a company's refuse. In a 1983 Minnesota case involving the theft of customer lists from a garbage can, Tennant Company v. Advance Machine Company (355 N.W.2d 720), the owner of the discarded information was awarded $500,000 in damages.
|This section needs additional citations for verification. (February 2010)|
Dumpster diving is practiced differently in developed countries than in developing countries.
- Food. In many developing countries, food is rarely thrown away unless it is rotten as food is scarce in comparison to developed nations. In countries like the United States, where 40 to 50 percent of food is wasted, the trash contains a lot more food to gather. In many countries, charities collect excess food from supermarkets and restaurants and distribute it to impoverished neighbourhoods. Dumpster divers, Karung guni, Zabaleen, and rag and bone men in these countries may concentrate on looking for usable items or scrap materials to sell rather than food items. In the United States, Canada, and Europe, some bakeries, grocery stores, or restaurants will routinely donate food according to a Good Samaritan Food Donation Act, but more often, because of health laws or company policy, they are required to discard food items by the expiration date, because of overstock, being overly ripened, spoiled, cosmetically imperfect, or blemished.
- Books and periodicals. As proof to publishing houses of unsold merchandise, booksellers will routinely remove the front covers of printed materials to render them destroyed prior to tossing the remains in the dumpster. Though readable, many damaged publications have disclaimers and legal notices against their existence or sale.
- Irregular or damaged goods. Offices, factories, department stores, and other commercial establishments may equally throw out non-perishable items that are irregular, were returned, have minor damages, or are replaced by newer inventory. Most items tend to be in such a state of disrepair or cosmetically flawed that they will require some work by the dumpster diver to make the items functionally usable. For this reason, factory workers will at times intentionally destroy their items prior to being discarded to prevent them from being reused or resold.
- Returned items. Manufacturers often find it cheaper to routinely discard items returned as defective under warranty instead of repairing them, although a device is often repairable or usable as a source of spare parts to repair other, similar discarded devices.
- eWaste. Some consumer electronics are dumped because of their rapid depreciation, obsolescence, cost to repair, or expense to upgrade. Owners of functional computers may find it easier to dump them rather than donate because many nonprofit organizations and schools are unable, or unwilling, to work with used equipment. Some organizations like Geeks Into The Streets, reBOOT, Free Geek and Computerbank try to refurbish old computers for charity or educational use. Occasionally, vendors dispose of unsaleable, non-defective new merchandise as landfill. The Atari video game burial in Alamogordo, New Mexico after the North American video game crash of 1983 is a well-known example; a 2014 excavation recovered about 1300 games for curation as museum exhibits or auction.
- Clothing. While thrift stores routinely refuse used goods which they cannot cheaply and easily resell, the items which they do accept cost them nothing. There is therefore no shrinkage cost associated with discarding mendable garments, repairable appliances or even working donated items which are overstock or find no buyer after some arbitrary length of time.
- Metal. Sometimes dumpsters may contain recyclable metals and materials that can be reused or sold to recycling plants and scrap yards. The most common recyclable metals found are steel and aluminum. 
- Residential buildings. Clothing, furniture, appliances, and other housewares may be found at residential buildings. There is a risk that discarded bedding may contain bed bugs, a hazard to be avoided.
- College dormitories. Items may be found at colleges with dormitories at the end of the semester when students throw away many items such as furniture, clothes and electronics.
In the 1960s, Jerry Schneider, using recovered instruction manuals from The Pacific Telephone & Telegraph Company, used the company's own procedures to acquire hundreds of thousands of dollars' worth of telephone equipment over several years until his arrest.
In 2009, pro-surfer Dane Reynolds salvaged a piece of polyester foam from a dumpster behind the Channel Islands Surfboard factory. He shaped the foam into a surfboard that, at the time, was thought to be "short, fat, and ugly." The goal of this new shape was to distribute volume to the width and thickness of the board, cutting down on the overall board length needed to use in smaller surf, while staying progressive on the face of the wave. The board was a hit and was dubbed the "dumpster diver". The board changed the way surfboard shapers designed boards for use in smaller waves.
In October 2013, in North London, three men were arrested and charged under the 1824 Vagrancy Act when they were caught taking discarded food: tomatoes, mushrooms, cheese and cakes from bins behind an Iceland supermarket. The charges were dropped on 29 January 2014 after much public criticism as well as a request by Iceland's chief executive, Malcolm Walker.
In popular culture
- Author John Hoffman wrote two books based on his own dumpster-diving exploits: The Art and Science of Dumpster Diving (1993 ; ISBN 978-1-58160-550-1) and Dumpster Diving: The Advanced Course: How to Turn Other People's Trash into Money, Publicity, and Power (2002; ISBN 978-1-58160-369-9), and was featured in the documentary DVD The Ultimate Dive, which was directed by Suzanne Girot and described by the Internet Movie Database" as a "Tongue-in-cheek how-to film on the art and science of dumpster diving."
- In 2001, dumpster diving was popularized in the book Evasion, published by CrimethInc.
- In Kim Stanley Robinson's science fiction novel Fifty Degrees Below (2005), the character Frank Vanderwal joins, for a time, a group of freegans who frequently prepare feasts culled from dumpsters; kind-hearted restaurateurs aid them by setting aside foods which have not been touched by the public.
- Jeff Ferrell, Professor of Sociology at Texas Christian University, is the author of Empire of Scrounge: Inside the Urban Underground of Dumpster Diving, Trash Picking, and Street Scavenging (2005; ISBN 978-0-81472-738-6).
- Recovery of still-useful items from discards is well known in other cultures as well; James Fallows noted it in his book, Looking at the Sun: the Rise of the new East Asian Economic and Political System (2005), written about his time living in Japan. However, much of the richness attributed to dumpster diving in Japan ended with the collapse of the nation's economic bubble in 1990.
- British television shows have featured home renovations and decoration using salvaged materials. Changing Rooms (1996-2004) is one such show, broadcast on BBC One.
- In the television show The Marvelous Misadventures of Flapjack (2008- ) the main characters regularly dumpster-dive in search of candy.
- Surfing the Waste: A Musical Documentary About Dumpster Diving, a film by Paul Aflalo, Sandra Lombardi and Tomoe Yoshihara, with music composed by Alden Penner and Nic Boshart.
- Dumpster Wars: Reno's Trash Politics (2008)
- I Love Trash (2007), a 30-minute documentary by David Brown and Greg Mann. OCLC's WorldCat provided a synopsis: "I Love Trash is a documentary about the art of dumpster diving. Starting with an empty apartment, only the clothes they were wearing and a flashlight, David and Greg find everything they might otherwise buy, in trash cans and dumpsters. All their food, clothes, electronics, art materials and entertainment, all out of the trash." Accolades: Skyfest Film and Script Festival, (won 2nd place for Documentary Films); and Lake Michigan Film Competition, (won 3rd place for Documentary films).
- The 2010 documentary film Dive!, a short documentary written and directed by Jeremy Seifert, investigates dumpster diving in the Los Angeles area. Dive! premiered in October 2009 at the Gig Harbor Film Festival, where it won the Audience Choice Award. It has gone on to win awards at many other film festivals, including Best Documentary at the DC Independent Film Festival and Best Film at the Dutch Environmental Film Festival.
- Spoils: Extraordinary Harvest. A short film/mystery film and documentary by Alex Mallis. (2012) Accolades: Official Selection, New Orleans Film Festival. Official Selection, Independent Film Festival of Boston. Official Selection, DOC NYC.
- The Leftovers: A Documentary about People Who Eat Trash (2008), a 28-minute Swedish documentary by Michael Cavanagh and Kerstin Übelacker. Mykel Bently, Paul Hood, Krystal Trickey, Nick Gill, and Sofia Arborelius (the latter two were exchange students) joined together for this dumpster diver adventure.
- From Dumpster To Dinner Plate (2011), an award-winning New Zealand short documentary directed by Vanessa Hudson. "As the cost of food reaches record highs an underground movement of dumpster divers is rapidly gaining momentum fuelled by consumers who are forced to find creative ways to feed themselves."
- Waste picker
- Curb mining
- Dump digging
- Electronic waste
- Information diving
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- Randall Sullivan (February 3, 2015). "The Pro Dumpster Diver Who’s Making Thousands Off America’s Biggest Retailers". Wired. Retrieved March 31, 2015.
his claim that he can make a quarter-million dollars a year from trash
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- Trespass to Property Act, RSPEI 1988, c. T-6, s. 2(2)
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- California v. Greenwood, 486 U.S. 35, 40 (1988)
- "TENNANT CO. v. ADVANCE MACH. CO., INC. 355 N.W.2d 720 (1984)".
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- Malcolm Walker (2013-12-04). "Why Iceland wanted the bin theft case dropped". The Guardian. Retrieved 30 January 2014.
- CrimethInc. contributor (2001). "Evasion". CrimethInc. Retrieved November 7, 2014.
A 288 page novel-like narrative, Evasion is one person's travelogue of thievery and trespassing across the country, evading not only arrest, but also the 40-hour workweek and hopeless boredom of modern life. The journey documents a literal and metaphorical reclamation of an individual's life and the spaces surrounding them—scamming, squatting, dumpstering, train hopping and shoplifting...
- Taborelli, Silvia (2008). "Surfing the Waste: A Musical Documentary about Dumpster Diving". NISI MASA, European Network of Young Cinema. Retrieved November 7, 2014.
Liz, Mike, Allison, Owain and Alden are five youngsters living in Montreal. They dance, sing and play in this upbeat short film which tells about "dumpster diving". It may sound like a sport, but it's actually a way of life.
- Aflalo, Paul (November 25, 2008). "Surfing the Waste, making it's World Premiere at IDFA 2008". Indyish. Retrieved November 7, 2014.
- "One Man's Trash is Another Man's Treasure". Reno Gazette-Journal. Retrieved November 7, 2014.
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- Seifert, Jeremy (2010). "Dive!". Compeller Pictures. Retrieved November 7, 2014.
Inspired by a curiosity about our country's careless habit of sending food straight to landfills, the multi award-winning documentary DIVE! follows filmmaker Jeremy Seifert and friends as they dumpster-dive in the back alleys and gated garbage receptacles of Los Angeles' supermarkets. In the process, they salvage thousands of dollars worth of good, edible food... Winner of 21 Awards by Festivals Worldwide.
- Mallis, Alex (2012). "Spoils: Extraordinary Harvest". Analect Films. Retrieved November 7, 2014.
Emulating the tradition of American Direct Cinema, filmmaker Alex Mallis captures intimate portraits of the divers, illuminating a practice as old as agriculture. Mallis' fly-on-the-wall access to these Brooklynites bring us along for a journey through the culture of dumpster diving, offering an unvarnished glimpse into one night of urban harvest.
- Lacey, Stephen (November 21, 2012). "Spoils: Film Documents Americans Who Reap An 'Extraordinary Harvest' From Waste". ThinkProgress. Retrieved November 7, 2014.
- A WG Film Production (2008). "A Recycled Road Trip". theleftovers.net. Retrieved November 7, 2014.
A group of five diverse people have challenged themselves to drive 2000 km down the east coast of Australia in a veggie oil powered van, living on nothing but waste. With zero money but plenty of passion they put both themselves and society to the test.
- "From Dumpster To Dinner Plate". fromdumpstertodinnerplate.com/. 2011. Retrieved November 7, 2014.
- Dumpster Diving - One Man's Trash by Grifter; originally given as a presentation at a 2600 meeting in Salt Lake City, Utah. Later published in the Summer 2002 issue of 2600 Magazine
- Art and Science of Dumpster Diving by John Hoffman; ISBN 1-55950-088-3
- Dumpster Diving: The Advanced Course by John Hoffman (brings dumpster diving into the computer era) Paladin Press 2002; ISBN 1-58160-369-X
- Evasion, (2003), CrimethInc. Far East, an autobiography detailing one anarchist's shoplifting- and dumpster-diving-supported travels.
- Mongo: Adventures in Trash by Ted Botha; ISBN 1-58234-452-3
- Encyclopedia of Garbage by Steve Coffel, William L. Rathje; ISBN 0-8160-3135-5
- Eikenberry, Nicole; Smith, Chery (2005). "Attitudes, beliefs, and prevalence of dumpster diving as a means to obtain food by Midwestern, low-income, urban dwellers". Agriculture and Human Values 22 (2): 187. doi:10.1007/s10460-004-8278-9.
|Wikimedia Commons has media related to Dumpster diving.|
|Wikiversity has learning materials about City dumpster content recycling|
- Fallingfruit.org/dumpsters, Falling Fruit's global map of food-bearing dumpsters and other freegan resources.
- Dumpster Diving guide, issues and photos
- Article- "Pick of the Litter: climbing to the top of the heap with an ambitious bottom-feeder"