Sofia Martinez
Plastic pollution is one of the most pressing environmental issues, with the world producing twice as much plastic waste as it did two decades ago. The production and development of plastic products have accelerated since World War II, with single-use plastics accounting for 40% of the plastic produced annually. While plastic has added value to our lives, it becomes an environmental pollutant when waste is mismanaged – when it is not recycled, incinerated, or kept in sealed landfills. The bulk of plastic waste ends up in landfills, is incinerated, or leaks into the environment, with only 9% successfully recycled.
| Characteristics | Values |
|---|---|
| Plastic production in 1950 | 2 million tonnes |
| Current plastic production | Over 450 million tonnes |
| Percentage of plastic waste that is recycled | 9% |
| Plastic generation in the US in 2018 | 35.7 million tons |
| Percentage of plastic generation in the US in 2018 | 12.2% |
| Plastic production from recycled or secondary plastics in 2000 | 6.8 million tonnes |
| Plastic production from recycled or secondary plastics in 2019 | 29.1 million tonnes |
| Percentage of plastic production from recycled or secondary plastics | 6% |
| Amount of plastic waste that is mismanaged | One-fifth |
| Amount of plastic waste that ends up in the ocean | 1-2 million tonnes |
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What You'll Learn
Plastic waste management
The Basel Convention, an international agreement, provides guidance on environmentally sound plastic waste management. It is the first international agreement to directly address plastic pollution. The convention offers technical guidelines on managing plastic waste, POPs waste, and e-waste.
Rich countries tend to produce the most plastic waste per person. However, the critical issue is the mismanagement of waste, which occurs when plastic is not recycled, incinerated, or properly landfilled. About one-fifth of plastics are mismanaged globally, and this rate is much higher in low-to-middle-income countries.
To improve plastic waste management, domestic policies and foreign investments in waste management infrastructure are crucial. This includes providing access to controlled disposal services and regular waste collection, as currently, 3 billion people lack the former, and 2 billion lack the latter. Additionally, implementing a systemic approach to using and reusing plastic material throughout its lifecycle in an environmentally, economically, and socially sustainable way is essential.
Overall, addressing the plastic waste crisis requires a combination of waste reduction, proper waste management, and international cooperation to ensure that plastic waste is handled responsibly and sustainably.
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Plastic pollution
The consequences of this plastic waste are dire. One to two million tonnes of plastic enter our oceans each year, threatening wildlife and ecosystems. Rivers act as conveyor belts, carrying trash from land to sea, where it can be transported by ocean currents across the globe. Once plastic waste breaks down into microplastics, they are virtually impossible to recover from the open ocean. These microplastics have been found to cause liver and cell damage and disrupt the reproductive systems of species such as oysters.
The bulk of plastic waste ends up in landfills, is incinerated, or leaks into the environment, with only a small fraction being successfully recycled. Richer countries tend to produce the most plastic waste per person, but the critical issue is the mismanagement of this waste, which is more prevalent in low-to-middle-income countries. Inadequate garbage collection systems and inefficient waste management infrastructure contribute significantly to plastic pollution.
To effectively address plastic pollution, an international approach is necessary. OECD countries have recognised their role in plastic leakage, accounting for 14% of the overall leakage, and 35% of microplastics leakage. By providing development aid and mobilising financing, richer countries can support lower-income nations in improving their waste management infrastructure. Additionally, aligning design approaches and regulating chemicals can improve the circularity of plastics.
While plastic production and consumption show no signs of slowing down, addressing waste management and recycling shortcomings can significantly curb plastic pollution. By incentivising recycling through landfill taxes and deposit-refund systems, we can create a well-functioning market for recycled plastics. Ultimately, the solution lies in preventing plastic waste from entering our rivers and oceans, protecting both the environment and human health from the detrimental effects of plastic pollution.
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Plastic recycling
The recycling process for plastic is mostly mechanical, involving the melting and reforming of plastic into new items. Plastic bottles, for example, are typically made from two easily recyclable types of plastic: PET and HDPE. Many local authorities provide collection facilities for these bottles, and some also offer collection for mixed plastics packaging such as pots, tubs, and trays.
Feedstock recycling is another method, which involves converting waste plastic into its starting chemicals, which can then be used to create new plastic. This process, however, requires higher energy and capital costs. Additionally, plastic can be burned in place of fossil fuels in energy recovery facilities or biochemically converted into other useful chemicals for industrial applications.
While recycling is an important part of reducing plastic waste, it is not a complete solution. Plastic makers have been criticised for using recycling as a "fig leaf" to divert attention from the solid waste problem, and there is evidence that they were aware of recycling's limitations even in its early days. Nevertheless, improving waste management and reducing plastic pollution are crucial, and this includes ensuring that plastic waste is adequately recycled, incinerated, or disposed of in sealed landfills.
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Plastic production
Plastic is a versatile material with a wide range of applications, from construction and home appliances to medical instruments and food packaging. The production of plastic has sharply increased over the last 70 years, with the world producing just two million tonnes in 1950 to over 450 million tonnes today. This increase in production has led to a throw-away culture, with single-use plastics accounting for 40% of the plastic produced annually. While plastic has offered numerous conveniences, its improper disposal has become an environmental concern.
When plastic waste is not recycled, incinerated, or disposed of in sealed landfills, it becomes an environmental pollutant. Plastic pollution is most visible in developing Asian and African nations, where garbage collection systems are often inefficient or non-existent. However, even in developed countries with low recycling rates, there are challenges in properly collecting discarded plastics. As a result, plastic pollution has become one of the most pressing environmental issues, with plastic waste ending up in oceans and affecting wildlife and ecosystems.
To address this issue, there is a need for better waste management practices and infrastructure, especially in low-to-middle-income countries. Domestic policies and foreign investments in waste management infrastructure can play a crucial role in reducing plastic pollution. Additionally, international cooperation and alignment on regulations and design approaches can improve the circularity of plastics and reduce plastic leakage.
While reducing plastic production is important, the primary focus should be on improving waste management. Even if plastic consumption is halved, significant amounts of plastic will still flow into rivers and oceans due to mismanagement. Therefore, addressing the root cause of plastic pollution requires a combination of improved waste management practices, regulations, and international collaboration.
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Plastic consumption
The bulk of plastic waste ends up in landfills, is incinerated, or leaks into the environment, with only a small percentage successfully recycled. For example, in the United States in 2018, plastics generation was 35.7 million tons, but only 12.2% of that was recycled. Globally, the recycling rate is even lower, with only 9% of plastic waste being recycled. The COVID-19 crisis led to a slight decrease in plastic consumption in 2020, but as economic activity resumed in 2021, plastic consumption also increased.
The problem of plastic pollution is most visible in developing Asian and African nations, where garbage collection systems are often inefficient or non-existent. However, even in developed countries with low recycling rates, there are challenges in properly collecting and managing discarded plastics. Richer countries tend to produce the most plastic waste per person, but the critical issue is the mismanagement of this waste. About one-fifth of plastics are mismanaged, and this waste often ends up in the oceans, affecting wildlife and ecosystems.
To address the problem of plastic pollution, an international approach to waste management is necessary. This includes supporting lower-income countries in developing better waste management infrastructure and aligning design approaches and the regulation of chemicals to improve the circularity of plastics. Additionally, creating a separate and well-functioning market for recycled plastics is essential, as currently, they are still viewed as substitutes for virgin plastic.
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Frequently asked questions
No, the world is producing twice as much plastic waste as two decades ago. In 1950, the world produced just two million tonnes of plastic. It now produces over 450 million tonnes.
Most plastic pollution comes from the inadequate collection and disposal of larger plastic debris known as macroplastics.
Improving the management of plastic waste across the world is critical to tackling this problem. This includes implementing better waste management infrastructure, especially in low-to-middle-income countries.
