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Process that involves reducing the amount of waste produced in society From Wikipedia, the free encyclopedia
Waste minimisation is a set of processes and practices intended to reduce the amount of waste produced. By reducing or eliminating the generation of harmful and persistent wastes, waste minimisation supports efforts to promote a more sustainable society.[1] Waste minimisation involves redesigning products and processes and/or changing societal patterns of consumption and production.[2]
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The most environmentally resourceful, economically efficient, and cost effective way to manage waste often is to not have to address the problem in the first place. Managers see waste minimisation as a primary focus for most waste management strategies. Proper waste treatment and disposal can require a significant amount of time and resources; therefore, the benefits of waste minimisation can be considerable if carried out in an effective, safe and sustainable manner.
Traditional waste management focuses on processing waste after it is created, concentrating on re-use, recycling, and waste-to-energy conversion.[2] Waste minimisation involves efforts to avoid creating the waste during manufacturing. To effectively implement waste minimisation the manager requires knowledge of the production process, cradle-to-grave analysis (the tracking of materials from their extraction to their return to earth) and details of the composition of the waste.
The main sources of waste vary from country to country. In the UK, most waste comes from the construction and demolition of buildings, followed by mining and quarrying, industry and commerce.[3] Household waste constitutes a relatively small proportion of all waste. Industrial waste is often tied to requirements in the supply chain. For example, a company handling a product may insist that it should be shipped using particular packing because it fits downstream needs.
Proponents of waste minimisation state that manufactured products at the end of their useful life should be utilised resource for recycling and reuse rather than waste.[4]
Waste minimisation can protect the environment and often turns out to have positive economic benefits. Waste minimisation can improve:[1]
In industry, using more efficient manufacturing processes and better materials generally reduces the production of waste. The application of waste minimisation techniques has led to the development of innovative and commercially successful replacement products.
Waste minimisation efforts often require investment, which is usually compensated by the savings. However, waste reduction in one part of the production process may create waste production in another part.[citation needed]
Overpackaging is excess packaging. Eliminating it can result in source reduction, reducing waste before it is generated by proper package design and practice. Use of minimised packaging is key to working toward sustainable packaging.
Utilizing a charger port that can be used by any phone. The implementation of USB-C to reduce excess wires that end up in the waste that give off toxic chemicals that harm the planet.[7]
Reusable bags are a visible form of re-use, and some stores offer a "bag credit" for re-usable shopping bags, although at least one chain reversed its policy, claiming "it was just a temporary bonus".[8] In contrast, one study suggests that a bag tax is a more effective incentive than a similar discount.[9] (Of note, the before/after study compared a circumstance in which some stores offered a discount vs. a circumstance in which all stores applying the tax.) While there is a minor inconvenience involved, this may remedy itself, as reusable bags are generally more convenient for carrying groceries.
This section details some waste minimisation techniques for householders.
Appropriate amounts and sizes can be chosen when purchasing goods; buying large containers of paint for a small decorating job or buying larger amounts of food than can be consumed create unnecessary waste. Also, if a pack or can is to be thrown away, any remaining contents must be removed before the container can be recycled.[10]
Home composting, the practice of turning kitchen and garden waste into compost can be considered waste minimisation.
The resources that households use can be reduced considerably by using electricity thoughtfully (e.g. turning off lights and equipment when it is not needed) and by reducing the number of car journeys made. Individuals can reduce the amount of waste they create by buying fewer products and by buying products which last longer. Mending broken or worn items of clothing or equipment also contributes to minimising household waste. Individuals can minimise their water usage, and walk or cycle to their destination rather than using their car to save fuel and cut down emissions.
In a domestic situation, the potential for minimisation is often dictated by lifestyle. Some people may view it as wasteful to purchase new products solely to follow fashion trends when the older products are still usable. Adults working full-time have little free time, and so may have to purchase more convenient foods that require little preparation, or prefer disposable nappies if there is a baby in the family.
The amount of waste an individual produces is a small portion of all waste produced by society, and personal waste reduction can only make a small impact on overall waste volumes. Yet, influence on policy can be exerted in other areas. Increased consumer awareness of the impact and power of certain purchasing decisions allows industry and individuals to change the total resource consumption. Consumers can influence manufacturers and distributors by avoiding buying products that do not have eco-labelling, which is currently not mandatory, or choosing products that minimise the use of packaging. In the UK, PullApart combines both environmental and consumer packaging surveys, in a curbside packaging recycling classification system to minimise waste. Where reuse schemes are available, consumers can be proactive and use them.
Healthcare establishments are massive producers of waste.[11] The major sources of healthcare waste are: hospitals, laboratories and research centres, mortuary and autopsy centres, animal research and testing laboratories, blood banks and collection services, and nursing homes for the elderly.[11]
Waste minimisation can offer many opportunities to these establishments to use fewer resources, be less wasteful and generate less hazardous waste. Good management and control practices among health-care facilities can have a significant effect on the reduction of waste generated each day.
There are many examples of more efficient practices that can encourage waste minimisation in healthcare establishments and research facilities.[12]
Source reduction
Management and control measures at hospital level
Stock management of chemical and pharmaceutical products
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