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Clothing and the environment |
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Environmental impact of fashion |
The fashion industry, particularly manufacture and use of apparel and footwear, is a significant driver of greenhouse gas emissions and plastic pollution. [1] The rapid growth of fast fashion has led to around 80 billion items of clothing being consumed annually, with about 85% of clothes consumed in United States being sent to landfill. [2]
Less than one percent of clothing is recycled to make new clothes. [3] The industry was estimated to produce 10% of all greenhouse gas emissions in 2020, which was larger than the emissions produced by international flights and maritime shipping combined. According to a 2017 report from the Ellen MacArthur Foundation, if the fashion sector persists on its same trajectory, its share of global carbon emissions could increase to 26% by 2050. [4] [5] [6] The production and distribution of the crops, fibers, and garments used in fashion all contribute to differing forms of environmental pollution, including water, air, and soil degradation. [7] The textile industry is the second greatest polluter of local freshwater in the world, [8] and is culpable for roughly one-fifth of all industrial water pollution. [9] Some of the main factors that contribute to this industrial caused pollution are the vast overproduction of fashion items,[ citation needed ] the use of synthetic fibers, the agriculture pollution of fashion crops, [10] and the proliferation of microfibers across global water sources. [3]
Efforts have been made by some retailers and consumers to promote sustainable fashion practices, such as reducing waste, improving energy and water efficiency, and using primarily eco-friendly materials. Counter movements, such as slow fashion, have also developed as a response to the growth of fast fashion.[ citation needed ]
Fast fashion is defined as "an approach to the design, creation, and marketing of clothing fashions that emphasizes making fashion trends quickly and cheaply available to consumers." [11] While traditional fashion processes usually take about 6 months to design, manufacture, and market products, fast fashion completes these processes in several weeks, allowing the quickly changing demands of consumers to be met. [12]
The amount of new garments bought by Americans has tripled since the 1960s. Globalization has encouraged the rapid growth of the fast fashion industry. Global retail sales of apparel in 2019 reached 1.9 trillion U.S dollars, a new high – this number is expected to double to three trillion U.S. dollars by the year 2030. The world consumes more than 80 billion items of clothing annually. [13]
Fast fashion is also referred to as “disposable fashion”, as trend cycles change so quickly that many consumers will only wear their items once or twice before disposing of them. Clothing is also often made with poor quality materials, dismissed by the inexpensive price point. This leads the clothing to tear, pop seams, or wear through faster than a sustainable fashion item. [14]
One concern with fast fashion is the clothes waste it produces. According to the Environmental Protection Agency, [15] 15.1 million tons of textile clothing waste was produced in 2013 alone. [16] In the United States, 64.5% of textile waste is discarded in landfills, 19.3% is incinerated with energy recovery, only 16.2% is recycled. [17] When textile clothing ends up in landfills, chemicals on the clothes such as the dye can leech into the ground and cause environmental damage. When unsold clothing is burned, [18] it releases CO₂ into the atmosphere. According to a report from the World Bank Group, the fashion industry is responsible for 10% of yearly global carbon emissions. [19] In 2019, France announced that it was making an effort to prevent companies from this practice of burning unsold fashion items. [20] [21] Fashion is produced at such high and fast rates, that more than 40% of fashion goods are sold at a markdown. [22]
The packaging of clothing also contributes to the waste produced by the fashion industry. As online shopping, both for clothing and for other items, has become common, the amount of waste produced has totaled about 75 million tons in the United States alone. Many packaging materials are also non-recyclable. [23]
As the popularity of fast fashion has increased, this has led to the rise of ultra-fast fashion. [24] Ultra-fast fashion is similar to fast fashion, however the speed of production and trend cycles are sped up. The clothing is made of even worse quality than typical fast fashion items, and it is encouraged to be worn only a couple of times before disposing of it. Many of the companies with a high social media presence, such as Shein, Fashion Nova, and PrettyLittleThing, promote ultra-fast fashion. [25]
Slow fashion is a movement that seeks to oppose fast fashion, focusing on the production and sale of sustainable clothing created with eco-friendly materials. The movement encourages purchasing clothing from local sources as opposed to large brands, as these locally-made pieces are often of a higher quality and will last longer than factory-made clothing, and will reduce pollution caused by the disposal of clothes. [26] The slow fashion movement also challenges the ethical issues of fast fashion, such as the underpaying and overworking of factory workers, who often come from low-income countries. [27]
The majority of fashion's environmental impact comes from its raw materials. [28]
Synthetic materials in clothing require an estimated 342 million barrels of oil per year. [28] Polyester was one of the most popular fibers used in fashion in 2017, found in about 60% of garments in retail stores and equalling about 21.3 million tons of polyester fiber. [29] There was a 157% increase of polyester clothing consumption from 2000 to 2015. [29] Washing polyester clothing leads to shedding of microplastics which enter water systems, including oceans. [30] [31]
Cotton is the most common crop in the world aside from food. [32] Cotton production uses 2.5% of the world's farmland. [28] Half of all textiles produced are made of the fiber. [32] Cotton is a water-intensive crop, requiring 3644 cubic meters of water to grow one ton of fiber, or 347 gallons per pound. [33] Growing cotton requires 25% of insecticides and 10-16% of pesticides of what is used globally every year. [34] [33] Half of the top pesticides used in growing cotton in the US are deemed likely to be carcinogenic by the United States Environmental Protection Agency. [33] Cotton production degrades the quality of the soil, leading to exhausted fields and expansion into new areas. [32] Expansion into new areas leads to the destruction of local habitats and the associated pollution affects biodiversity. [32]
Animal-based fibers such as wool and leather were responsible for 14.5% of global greenhouse gas emissions in 2005. [35] Cattle have digestive systems that use a process known as foregut fermentation, which creates the greenhouse gas methane as a byproduct. In addition to the CH4 released from the ruminants, CO2 and N2O are released into the atmosphere as byproducts of raising the animals. In total, 44% of emissions caused by livestock are from enteric fermentation, 41% comes from the feed needed to raise the livestock, 10% comes from manure, and 5% comes from energy consumption. [36]
Fiber | MJ of energy/kg of textile | liters of water/kg of textile |
---|---|---|
nylon | 250 [37] | --- |
acrylic | 175 [37] | --- |
polyester | 125 [37] | 50,690-71,409 [38] |
polypropylene | 115 [37] | --- |
viscose | 100 [37] | 3,000 [38] |
wool | 63 [37] | 500 [39] |
cotton | 55 [37] | 10,000-20,000 [40] |
Energy use here is measured in megajoules needed to produce one kilogram of the given textile. Water use here is measured in liters of water needed to produce one kilogram of the given textile.
Improperly disposing of clothing can harm the environment, especially through wastewater. Chemicals from decomposing clothing can leach into the air and into the ground, affecting both groundwater and surface water. Aside from plastic pollution, textiles also contributes significantly to marine pollution. Unlike plastic, textile pollution's impact on marine life occurs in its various supply chain processes. [41] Pollutants like pesticides and clothing manufacturing chemicals cling to particles that accumulate in the waters ecosystem and consequently enter into human food chains. [42]
Plastic and synthetic textile are both created from a chemical structure called polymer. The Merriam-Webster dictionary defines polymer as “a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units.” For plastic, the common polymer found is PET, polyethylene (PE), or polypropylene (PP), whereas for textile, the polymer found the most abundant in the collection of waste is polyester and nylon textiles. [43]
Textiles shed microfibers at every stage of their life cycle, from production, to use, to end of life disposal. [44] These fibers end up in the soil, air, lakes, and oceans. [44] Microfiber pollution has existed as long as the textile industry has, but only recently has it come under public scrutiny. [44] The Ocean Wise Conservation Association produced a study discussing the textile waste. For polyester, it stated that on average, humans shed around 20 to 800 mg micro polyester waste for every kg textile washed. A smaller amount for nylon is found; for every kg of fabrics washed, around 11 to 63 mg of nylon microfiber waste are shed into bodies of water. [45] Washing synthetic textiles releases microplastics and microfibers into the oceans. [46] This type of waste is most commonly found from washing machine cycles, where fibers of clothes fall loose during the tumbling process. [46] An individual domestic load of laundry can shed up to 700,000 microfibers. [44]
The Association also released a study stating that on average, households in the United States and Canada produce around 135 grams of microfibers, which is equivalent to 22 kilotons of microfibers released to the wastewater annually. These wastewater will go through various waste water treatment plants, however, around 878 tons of those 22 kilotons were left untreated and hence, thrown into the ocean. [47]
Textiles are the main source of microfibers in the environment. [44] Thirty five percent of the microplastics that are found in marine ecosystems, such as shorelines, are from synthetic microfibers and nanofibers. [44] Such microfibers affect marine life in that fish or other species in the marine ecosystems consume them, which end up in the intestine and harm the animals. [48] Microfibers have been found in the digestive tracts of widely consumed fish and shellfish. [44] These fish are then consumed by humans, which leads to the absorption of micro pollutants in the fish in a process called biomagnification. [49] Predators of the affected marine species are also harmed, as they ingest the microfibers previously ingested by their prey. The yearly shellfish consumption of microplastics was found to be 11,000 pieces, and microfibers were found in eighty three percent of fish caught in one lake in Brazil. [48] In one study, the food consumption rates decreased in crabs who were eating food with plastic microfibers, which further lead to the available energy for growth to also decrease. [50] [51]
Techniques to address the environmental impacts of the fashion industry include a marine algal bioabsorbent, which could be used for dye removal through rich algal surface chemistry through heteroatom containing functional groups. [52] Many techniques or potential solutions are difficult in their implementation, for instance the accuracy of marine sediment techniques to detect microplastics is not sufficiently tested among different soil samples or sources.[ citation needed ]
Clothing often contains non-organic, excessively farmed cotton which is grown with chemicals that are known to cause eutrophication. Eutrophication is a process in which fresh water sources such as lakes and rivers become overly enriched with nutrients. This causes a dense growth of plant life that is harmful to the ecosystem, such as algae blooms. Algal blooms deplete levels of oxygen in water as they decompose, resulting in changes to the ecosystem, either through the die-off of aquatic creatures or populations moving as water becomes uninhabitable. Algal blooms can also make bodies of water unsuitable for both human consumption and recreation. [53] Two of the main ingredients in pesticides are nitrates and phosphates, and when pesticides leak into stream systems surrounding the cropland via runoff, the nitrates and phosphates contribute to water eutrophication.
The fashion industry consumes a large amount of water to produce fabrics and manufacture garments every year. The global fashion industry uses 93 billion cubic meters of water per year, or 20 trillion gallons. [54] [55] This is four percent of all freshwater withdrawal globally. [56] This amount is set to double by 2030 if it follows the current trend. [57] According to the United Nations Environment Programme, the fashion industry is responsible for 20 percent of global wastewater. [58] Manufacturing a single pair of Levi jeans, will on average, consume about 3,781 liters of water. [59] On average, producing one kilogram of textiles requires 200 liters of water. [33]
The consumer use phase in the life cycle of clothing and other textiles is a significant area of impact, yet is often overlooked. [60] While there is minimal research into energy efficient washers and dryers as a method of reducing impact on the consumer side, [60] wearing garments for 9 months longer could cut overall waste by 22% and water use by 33%. [61] On the producer side, choosing to make garments in popular colors and designs that consumers are more likely to buy is both a financially and environmentally responsible choice. [60] Designing clothing that is more likely to be purchased can reduce waste on the production side. In 2018 the fashion retailer H&M ended up with $4.3 billion of unsold merchandise. [61] Other retailers, such as Patagonia, have made efforts to create more sustainable clothing by using eco-friendly materials, such as organically-farmed cotton and polyester made from recycled plastic bottles. [62] [63]
In order to extend the life cycle of garments and slow rates of production and overconsumption, business models such as 'clothing libraries' have been considered. These businesses collect pieces both from local shops and companies, and allow customers, who pay for a monthly subscription, to borrow clothes for a certain period of time. Business startups such as these have been tested in the Netherlands and Sweden, but there are concerns that clothing libraries will have little to no effect on reducing the effects of fast fashion. [64]
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of any substance or energy. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
Textile is an umbrella term that includes various fiber-based materials, including fibers, yarns, filaments, threads, different fabric types, etc. At first, the word "textiles" only referred to woven fabrics. However, weaving is not the only manufacturing method, and many other methods were later developed to form textile structures based on their intended use. Knitting and non-woven are other popular types of fabric manufacturing. In the contemporary world, textiles satisfy the material needs for versatile applications, from simple daily clothing to bulletproof jackets, spacesuits, and doctor's gowns.
Chemical waste is any excess, unused, or unwanted chemical. Chemical waste may be classified as hazardous waste, non-hazardous waste, universal waste, or household hazardous waste, each of which is regulated separately by national governments and the United Nations. Hazardous waste is material that displays one or more of the following four characteristics: ignitability, corrosivity, reactivity, and toxicity. This information, along with chemical disposal requirements, is typically available on a chemical's Safety Data Sheet (SDS). Radioactive and biohazardous wastes require additional or different methods of handling and disposal, and are often regulated differently than standard hazardous wastes.
Microfibre is synthetic fibre finer than one denier or decitex/thread, having a diameter of less than ten micrometers.
The textile industry is primarily concerned with the design, production and distribution of textiles: yarn, cloth and clothing.
Acrylic fibers are synthetic fibers made from a polymer (polyacrylonitrile) with an average molecular weight of ~100,000, about 1900 monomer units. For a fiber to be called "acrylic" in the US, the polymer must contain at least 85% acrylonitrile monomer. Typical comonomers are vinyl acetate or methyl acrylate. DuPont created the first acrylic fibers in 1941 and trademarked them under the name Orlon. It was first developed in the mid-1940s but was not produced in large quantities until the 1950s. Strong and warm, acrylic fiber is often used for sweaters and tracksuits and as linings for boots and gloves, as well as in furnishing fabrics and carpets. It is manufactured as a filament, then cut into short staple lengths similar to wool hairs, and spun into yarn.
Polyester is a category of polymers that contain one or two ester linkages in every repeat unit of their main chain. As a specific material, it most commonly refers to a type called polyethylene terephthalate (PET). Polyesters include naturally occurring chemicals, such as in plants and insects, as well as synthetics such as polybutyrate. Natural polyesters and a few synthetic ones are biodegradable, but most synthetic polyesters are not. Synthetic polyesters are used extensively in clothing.
Polar fleece is a soft fabric made from polyester that is napped and insulating.
Fast fashion is the business model of replicating recent catwalk trends and high-fashion designs, mass-producing them at a low cost, and bringing them to retail quickly while demand is at its highest. The term fast fashion is also used generically to describe the products of this business model, particularly clothing and footwear. Retailers who employ the fast fashion strategy include Primark, H&M, Shein, and Zara, all of which have become large multinationals by driving high turnover of inexpensive seasonal and trendy clothing that appeals to fashion-conscious consumers.
Textile recycling is the process of recovering fiber, yarn, or fabric and reprocessing the material into new, useful products. Textile waste is split into pre-consumer and post-consumer waste and is sorted into five different categories derived from a pyramid model. Textiles can be either reused or mechanically/chemically recycled.
Biotextiles are specialized materials engineered from natural or synthetic fibers. These textiles are designed to interact with biological systems, offering properties such as biocompatibility, porosity, and mechanical strength or are designed to be environmentally friendly for typical household applications. There are several uses for biotextiles since they are a broad category. The most common uses are for medical or household use. However, this term may also refer to textiles constructed from biological waste product. These biotextiles are not typically used for industrial purposes.
Sustainable fashion is a term describing efforts within the fashion industry to reduce its environmental impacts, protect workers producing garments and uphold animal welfare. Sustainability in fashion encompasses a wide range of factors, including cutting CO2 emissions, addressing overproduction, reducing pollution and waste, supporting biodiversity and ensuring that garment workers are paid a fair wage and have safe working conditions.
Micro-sustainability is the portion of sustainability centered around small scale environmental measures that ultimately affect the environment through a larger cumulative impact. Micro-sustainability centers on individual efforts, behavior modification, education and creating attitudinal changes, which result in an environmentally conscious individual. Micro-sustainability encourages sustainable changes through "change agents"—individuals who foster positive environmental action locally and inside their sphere of influence. Examples of micro-sustainability include recycling, power saving by turning off unused lights, programming thermostats for efficient use of energy, reducing water usage, changing commuting habits to use less fossil fuels or modifying buying habits to reduce consumption and waste. The emphasis of micro-sustainability is on an individual's actions, rather than organizational or institutional practices at the systemic level. These small local level actions have immediate community benefits if undertaken on a widespread scale and if imitated, they can have a cumulative broad impact.
Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be molded, extruded or pressed into solid objects of various shapes. This adaptability, plus a wide range of other properties, such as being lightweight, durable, flexible, and inexpensive to produce, has led to their widespread use. Plastics typically are made through human industrial systems. Most modern plastics are derived from fossil fuel-based chemicals like natural gas or petroleum; however, recent industrial methods use variants made from renewable materials, such as corn or cotton derivatives.
Microplastics are fragments of any type of plastic less than 5 mm (0.20 in) in length, according to the U.S. National Oceanic and Atmospheric Administration (NOAA) and the European Chemicals Agency. They cause pollution by entering natural ecosystems from a variety of sources, including cosmetics, clothing, food packaging, and industrial processes. The term microplastics is used to differentiate from larger, non-microscopic plastic waste. Two classifications of microplastics are currently recognized. Primary microplastics include any plastic fragments or particles that are already 5.0 mm in size or less before entering the environment. These include microfibers from clothing, microbeads, plastic glitter and plastic pellets. Secondary microplastics arise from the degradation (breakdown) of larger plastic products through natural weathering processes after entering the environment. Such sources of secondary microplastics include water and soda bottles, fishing nets, plastic bags, microwave containers, tea bags and tire wear. Both types are recognized to persist in the environment at high levels, particularly in aquatic and marine ecosystems, where they cause water pollution. 35% of all ocean microplastics come from textiles/clothing, primarily due to the erosion of polyester, acrylic, or nylon-based clothing, often during the washing process. However, microplastics also accumulate in the air and terrestrial ecosystems. Because plastics degrade slowly, microplastics have a high probability of ingestion, incorporation into, and accumulation in the bodies and tissues of many organisms. The toxic chemicals that come from both the ocean and runoff can also biomagnify up the food chain. In terrestrial ecosystems, microplastics have been demonstrated to reduce the viability of soil ecosystems and reduce weight of earthworms. As of 2023, the cycle and movement of microplastics in the environment was not fully known. Deep layer ocean sediment surveys in China (2020) show the presence of plastics in deposition layers far older than the invention of plastics, leading to suspected underestimation of microplastics in surface sample ocean surveys.
Zero-waste fashion refers to a fashion design strategy, that generates little or no textile waste during the production process, particularly focusing on the pattern making and cutting stages. It is a reaction to the high amount of discarded clothing items going into landfills around the world.
Cotton recycling is the process of converting cotton fabric into fibers that can be reused into other textile products.
Plastic Soup Foundation is a non-profit marine conservation organisation that aims to reduce plastic pollution. Established in 2011, Plastic Soup Foundation advocates towards imposing bans and/or voluntary phase-outs of microbeads in cosmetics at a global scale with the Beat the Microbead campaign.
Fast fashion is a term used to represent cheap, trendy clothing that is made to replicate higher end fashion trends. As of 2019, China remains the leading producer of fast fashion clothing. Many sweatshops are located in China, where the workers are underpaid and overworked in unsafe environments. China produces 65% of the world's clothing, with a majority of these clothes being labeled as "fast fashion". The top ten competitors in the fast fashion market make up 29.13% of the whole fashion market in 2020.
Vintage clothing, or "Vintage", is a colloquialism commonly used to refer to all old styles of clothing. A widely accepted industry standard is that items made between 20 and 100 years ago can be considered "vintage" if they clearly reflect the styles and trends of the era they represent. In recent years, the popularity of vintage clothing has grown, as consumers seek unique and sustainable fashion options.
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