Omar Khalid
Plastic is a synthetic material derived from petrochemicals, prized for its adaptability and low cost. The first fully synthetic plastic, Bakelite, was invented in 1907, but the industry's rapid expansion began in the 1950s. By 2023, the world was producing over 400 million metric tons of plastic annually, with Asia, led by China, as the largest producer. Plastic has added value to our lives, but its waste has become an environmental concern. While recycling has been proposed as a solution, most plastics still end up in landfills or the environment, with an estimated 1 to 2 million tons entering the oceans each year.
| Characteristics | Values |
|---|---|
| Year of first fully synthetic plastic | 1907 |
| Plastic production in 1950 | 2 million tonnes |
| Plastic production in 2019 | 460 million tonnes |
| Plastic production in 2023 | 400-413.8 million metric tons |
| Plastic waste in oceans annually | 1-2 million tonnes |
| Plastic waste in oceans as a percentage of total plastic waste | 0.5% |
| Plastic recycling rate in Europe in 2014 | 30% |
| Plastic recycling rate in China in 2014 | 25% |
| Plastic recycling rate in the US in 2012 | 9% |
| Plastic incineration rate in Europe in 2014 | 40% |
| Plastic incineration rate in China in 2014 | 30% |
| Plastic incineration rate in the US in 1995 | 21% |
| Plastic incineration rate in the US in 2014 | 16% |
| Projected plastic waste in landfills or natural environment by 2050 | 12,000 Mt |
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What You'll Learn
Plastic production in 2023
Plastic is a synthetic or semisynthetic material composed primarily of polymers. The world's first fully synthetic plastic was Bakelite, invented in 1907 by Leo Baekeland, who coined the term "plastics". Plastic production has been increasing since its inception, with worldwide production reaching 413.8 million metric tons in 2023. China is the largest producer of plastic, accounting for 32% of global production in 2022, with North America in second place with a 17% share.
The versatility of plastics has led to their widespread use, displacing traditional materials such as wood, metal, and glass. About a third of plastic in developed economies is used in packaging, and roughly the same in buildings for piping, plumbing, or vinyl siding. Other uses include automobiles (up to 20% plastic), furniture, and toys. However, the environmental impact of plastic waste has become a growing concern, with recycling and biodegradable plastics gaining attention as potential solutions.
The plastics industry in 2023 experienced nuanced shifts, including fluctuations in production levels and shipments, labor constraints, and export dynamics. There was a notable pullback from the production levels of 2022, with successive declines throughout the year. The U.S. plastics industry, in particular, faced persistent labor supply constraints, with a probable 1.7% decrease in the workforce engaged in plastics product manufacturing.
Looking ahead, the plastics industry is projected to undergo significant changes in 2023 and beyond. With increasing environmental concerns, the industry is facing pressure to become more sustainable. Research and advancements are being made in biodegradable plastic materials, recycled content within products, and environmental regulations to promote plastic waste reduction. Scientists are also developing new types of polymers that can be used in more sustainable ways. These initiatives aim to reduce the environmental footprint of plastic production and consumption while continuing to benefit from the versatility of plastics.
While plastic production and use have become ubiquitous, the industry is at a crossroads, facing the challenge of balancing economic growth and environmental sustainability. The developments and innovations in the industry will shape the future of plastics, with a focus on eco-friendliness and responsible waste management.
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Plastic recycling rates
The complexities of the recycling process mean that different types of plastics must be separated, as different polymers cannot be recycled together. Polyethylene terephthalate (PET), commonly used for drinks bottles, is one of the more recyclable plastics. In contrast, polyvinyl chloride (PVC), which is widely used in packaging, construction, and automotive industries, is not widely recycled due to the complexity of the process. Other types of plastics with poor recycling rates include low-density polyethylene (LDPE), used for cling film and sandwich bags, and polystyrene (PS), which is used in the packaging industry but is not commonly recycled due to its bulkiness and high contamination rates.
According to the American Chemistry Council, less than 1% of post-consumer polypropylene (PP) waste is recycled, although a US study found that plastic bottles made from PP had a recycling rate of 15.4% in 2020. Across Europe, recycling rates for high-density polyethylene (HDPE) are estimated to be between 10% and 15%. One study found that PVC recycling rates across Europe between 2000 and 2020 were just 3%.
While plastic recycling rates have improved over the last twenty years, with OECD countries in the European Union, India, and China leading the way, the recycling rates vary widely by region and product. For example, milk cartons have a strong circular economy, while carrier bags lag behind. In 2019, recycling rates in OECD countries were 12-13%, while non-OECD Asian countries and Latin America had made slower progress. The US recycling rate was just 4.5% in 2019, and globally, the plastic recycling rate is estimated to be only slightly higher at 5-9%.
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Plastic's environmental impact
Plastic pollution has become ubiquitous, raising concerns about its potential harm to humans and nature. Plastic pollution can fragment into smaller pieces, with microplastics (ranging in size from 5mm to 1 nanometre) and nanoplastics (smaller than 1 micrometre) found in every ecosystem on the planet, from the Antarctic tundra to tropical coral reefs.
Plastic's durability means that discarded items remain in the environment for generations. Plastic does not break down and instead accumulates in air, waterways, agricultural soils, rivers, and oceans. Research indicates that more than 1,500 species in marine and terrestrial environments are known to ingest plastics, putting marine species at higher risk of ingesting plastic, suffocating, or becoming entangled in plastic pollution.
The production, use, and disposal of plastics have health and environmental effects at every stage of the plastic lifecycle. Plastic is derived from fossil fuels, and each stage of the plastic lifecycle can be a major source of greenhouse gas emissions. The extraction and transportation of raw materials for plastic production release hundreds of toxins, which can cause a wide range of health issues, including damage to sensory organs, effects on bodily systems, and the impairment of organs.
Microplastics and hazardous chemicals used in plastic products can contaminate the environment and enter the bodies of animals and humans. The ingestion and inhalation of microplastics shedding from products and hazardous additives leaching out of plastic products can severely affect human health. Microplastics have been found in all sources of water, types of food, placentas of pregnant people, and human stool ever tested.
The presence of plastic in the environment can also leach toxic additives or concentrate toxins and pathogens, making them bioavailable for human exposure. Once in the human body, microplastics can lead to chronic inflammation, cardiovascular disease, diabetes, neurodegenerative diseases, cancer, and stroke.
In Europe, plastic pollution initiatives aim to reduce plastic litter at sea and microplastics released into the environment. The EU's Zero Pollution Action Plan includes reducing plastic litter at sea and microplastics released into the environment as one of its main targets.
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Plastic production during World War II
The plastics industry underwent significant expansion during World War II. The need for industrial strength and success was as crucial as military prowess. As such, there was a great need for easy-to-produce, durable supplies, and plastic provided the solution. The production of synthetic alternatives was prioritised to preserve scarce natural resources.
Before the war, in the late 1930s, the plastic industry was already establishing itself as a key player in the future. Bakelite, the world's first fully synthetic plastic, was invented in 1907 and laid the foundation for the creation of new polymers, including polystyrene, polyvinyl chloride (PVC), polyethylene, and nylon. Nylon, invented in 1935, was used during the war for parachutes, ropes, body armour, and helmet liners. PVC was used to make canvas for tents and water-repellent coatings, while polyethylene was developed for insulating electrical wiring in wartime devices. Plexiglas, another type of plastic, provided an alternative to glass for aircraft windows.
During World War II, plastic production in the United States increased by 300%. This surge in production continued even after the war ended, as Americans, having experienced the Great Depression and World War II, were eager to spend again, and much of what they bought was made of plastic. The plastics industry in the US received over a billion dollars in investments, with more refineries built to turn crude oil into plastic.
The use of plastic in consumer goods also increased during and after the war. Traditional materials like steel and rubber were redirected towards the war effort, leaving a gap that plastic filled. For example, combs, which were previously made from hard rubber, were replaced by plastic ones issued to servicemen in hygiene kits. The durability, heat resistance, and mouldability of plastic made it a versatile material for various wartime and consumer needs.
The drive for consumerism in the postwar years further solidified the role of plastic in society. Manufacturers and advertisers promoted plastic goods as symbols of a better, more modern life. Products made from polyethylene, such as garbage pails, squeeze bottles, and hula hoops, offered lightweight and flexible alternatives to thermoset plastics. Tupperware, in particular, played a significant role in the domestication of plastic, with Earl Tupper and Brownie Wise promoting it as a desirable product for the home.
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Plastic production by region
Plastic is a significant class of materials made from crude oil and fossil fuels. It is used widely in different facets of life. The worldwide production of plastics reached 413.8 million metric tons in 2023. Asia is the largest plastic-producing region in the world. China alone accounted for 32% of global production in 2022. In recent years, China has produced between six and 12 million metric tons of plastic products each month. North America ranks second in terms of plastic production, with a share of 17% in 2022. The United States, Mexico, and Canada are the top producers in North America. Europe is another major plastic-producing region, with a 15% share in 2021.
The production of plastic has severe environmental consequences. Over 8 million metric tons of plastic end up in oceans every year, and research suggests that the weight of plastic in the ocean could outweigh all the fish in the sea by 2050. India, for example, generates 9.46 million tons of plastic waste annually, and 40% of this plastic goes uncollected, leading to polluted streets, overfilled landfills, and plastic debris in waterways. China, the largest producer of plastic, generates around 60 million tons of plastic waste each year. Despite government efforts to ban single-use plastics, only a small fraction of the waste is recycled, contributing to growing pollution.
To address the environmental impact of plastic waste, some countries have implemented efficient waste management systems. South Korea, for example, has an efficient waste collection system that has enabled the country to recycle over 80% of its plastic waste. Germany has also introduced a "green dot" system, where producers and retailers must label recyclable packaging with a green dot to indicate to consumers that the product is recyclable.
The development of bio-based plastics and biodegradable plastics is also being explored to reduce the environmental impact of plastic production and waste. Biodegradable plastics are eco-friendly materials that can be safely incorporated into the environment to reduce plastic pollution. Pleurotus ostreatus, for example, has been grown in low-density polyethylene films and commercially labeled as biodegradable. Scientific productivity in this field is increasing, with China and the United States leading the way in the number of publications on biodegradable plastics.
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Frequently asked questions
It is difficult to say when plastic will have peaked in production. However, it is estimated that 8,300 million metric tons of plastic have been produced as of 2015. If current production trends continue, there could be roughly 12,000 million metric tons of plastic waste in landfills or the natural environment by 2050.
Plastic production increased by 300% in the US during World War II as synthetic alternatives were needed to preserve scarce natural resources. After the war, Americans were ready to spend again, and much of what they bought was made of plastic. Plastic's adaptability, low cost, durability, and weight have also led to its widespread use.
Plastic was initially viewed as a miracle material that could be shaped by humans to their every whim. However, perceptions began to shift in the postwar years as people became increasingly aware of environmental problems. In the 1970s and 1980s, anxiety about plastic waste grew, and it became a special target due to its disposability and permanence in the environment.
