Essay on do not waste food

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  2. What is food wastage?
  3. 20 Easy Ways to Reduce Your Food Waste
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From the end of the 19th century through the middle of the 20th century, many municipalities collected food waste called "garbage" as opposed to "trash" separately. This was typically disinfected by steaming and fed to pigs, either on private farms or in municipal piggeries. Separate curbside collection of food waste is now being revived in some areas. To keep collection costs down and raise the rate of food waste segregation, some local authorities, especially in Europe, have introduced "alternate weekly collections" of biodegradable waste including, e.

However, they result in a two-week wait before the waste will be collected. The criticism is that particularly during hot weather, food waste rots and stinks, and attracts vermin. Waste container design is therefore essential to making such operations feasible. Curbside collection of food waste is also done in the U.

Several states in the U. Collection of food scraps and yard waste combined is then recycled and composted for reuse. As alternatives to landfill , food waste can be composted to produce soil and fertilizer, fed to animals, or used to produce energy or fuel. Dumping food waste in a landfill causes odour as it decomposes, attracts flies and vermin, and has the potential to add biological oxygen demand BOD to the leachate. Starting in , organic waste from New York City restaurants will be banned from landfills. Methane, or CH 4 , is the second most prevalent greenhouse gas that is released into the air, also produced by landfills in the U.

Although methane spends less time in the atmosphere 12 years than CO 2 , it's more efficient at trapping radiation.

Pin on Food waste

It is 25 times greater to impact climate change than CO 2 in a year period. Large quantities of fish, meat, dairy and grain are discarded at a global scale annually, when they can be used for things other than human consumption. The feeding of food scraps to domesticated animals such as pigs or chickens is, historically, the most common way of dealing with household food waste. The animals turn roughly two thirds of their ingested food into gas or fecal waste, while the last third is digested and repurposed as meat or dairy products.

There are also different ways of growing produce and feeding livestock that could ultimately reduce waste. Bread and other cereal products discarded from the human food chain could be used to feed chickens. Chickens have traditionally been given mixtures of waste grains and milling by-products in a mixture called chicken scratch. As well, giving table scraps to backyard chickens is a large part of that movement's claim to sustainability, though not all backyard chicken growers recommend it.

Certain food waste such as flesh can also be used as feed in maggot farming. In China, some food waste is being processed by feeding it to cockroaches.

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Food waste can be biodegraded by composting , and reused to fertilize soil. Composting is the aerobic process completed by microorganisms in which the bacteria break down the food waste into simpler organic materials that can then be used in soil. Traditional composting uses microbes to perform the decomposition, a process that is most efficient using low, mid, and high temperature microbes psychrophilic, mesophilic, and thermophilic — respectively.

The traditional decomposition process requires a long length of time and additional energy expended to turn the material frequently and maintain the aerobic process. Composting by thermophilic microbes can lead to nutrient loss and the compost product is heterogeneous, with the potential for higher levels of contaminants which can be harmful if used in agriculture. Vermicomposting is the practise of feeding scraps to worms who produce fertilized soil as a byproduct. The product of vermicomposting is homogenous and generally contains lower levels of contaminants than traditional composting.

Some look to integrate vermicomposting and traditional composting in an effort to maximize efficiency while producing a high quality organic product that can be used in agriculture. Composting food waste leads to a decrease in the quantity of greenhouse gases released into the atmosphere. In landfills, organic food waste decomposes anaerobically, producing methane gas that is emitted into the atmosphere. When this biodegradable waste is composted, it decomposes aerobically and does not produce methane, but instead produces organic compost that can then be utilized in agriculture.

Municipal Food Waste MFW can be composted to create this product of organic fertilizer, and many municipalities choose to do this citing environmental protection and economic efficiency as reasoning. Transporting and dumping waste in landfills requires both money and room in the landfills that have very limited available space. Instead of food scraps and spoiled food taking up space in trashcans or stinking up the kitchen before the bag is full, it could be put outside and broken down by worms and added to garden beds.

Anaerobic digestion produces both useful gaseous products and a solid fibrous "compostable" material. Anaerobic digestion plants can provide energy from waste by burning the methane created from food and other organic wastes to generate electricity, defraying the plants' costs and reducing greenhouse gas emissions. The United States Environmental Protection Agency states that the use of anaerobic composting allows for large amounts of food waste to avoid the landfills.

Instead of producing these greenhouse gasses into the environment from being in a landfill, the gasses can alternatively be harnessed in these facilities for reuse. Since this process of composting produces high volumes of biogas, there are potential safety issues such as explosion and poisoning.

These interactions require proper maintenance and personal protective equipment is utilized. Food waste coming through the sanitary sewers from garbage disposal units is treated along with other sewage and contributes to sludge. This often foul-smelling waste contains both organic and inorganic waste chemical cleaners , etc. It is referred to as fats, oils, and grease FOG waste or more commonly "brown grease" versus "yellow grease", which is fryer oil that is easily collected and processed into biodiesel and is an overwhelming problem, especially in the US, for the aging sewer systems.

Nearly all global produce, eaten or disposed of is grown using irrigated water.

What is food wastage?

From Wikipedia, the free encyclopedia. Food that is discarded or lost uneaten. Main article: Food waste in New Zealand. Main article: Food waste in the United Kingdom. Food portal. The Rising — Covering how changes in the environment impact business, technology, and politics. Retrieved UN Food and Agricultural Organisation. Huffington Post. American Journal of Agricultural Economics. Food waste to animal feed. Utilization of by-products and treatment of waste in the food industry. Eastern Metropolitan Regional Council.

20 Easy Ways to Reduce Your Food Waste

Archived from the original on United States Environmental Protection Agency. California Integrated Waste Management Board. Archived from the original PDF on January The Persistence of Subsistence Agriculture: life beneath the level of the marketplace. Lexington Books. Scientific Alliance. Rome: FAO. Plant Disease. Global Change and Human Health. European Parliament.

The Guardian. Retrieved November 29, Postharvest food losses in developing countries. National Academy of Sciences. Food and Agriculture Organization. Journal of Applied Bacteriology. Food industry and the environment in the European Union: practical issues and cost implications. Food packaging: principles and practice.

CRC Press. What the Fork Are You Eating? Penguin Publishing Group. The Huffington Post.

Stop Food Wastage

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Food Waste Essay

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