Ethan Clarke
Plastic is everywhere, and it's a massive problem. While virtually all plastics can be recycled, the process is often expensive and complicated, and the resulting product is of lower quality than the original. For years, China was the world's largest importer of plastic waste, taking in around 7 million tons of plastic trash from the US alone each year. However, in 2018, China drastically cut back its imports of plastic waste, leaving many countries scrambling to find new ways to deal with their plastic waste. As a result, much of the world's plastic is now ending up in landfills, incinerators, or littering the environment. So, what happens to plastic when you recycle it, and what does China's ban on importing plastic waste mean for the future of plastic recycling?
| Characteristics | Values |
|---|---|
| Yearly average of plastic production | 60 million tons |
| Percentage of plastic recycled | 30% |
| Percentage of global single-use and virgin plastics production | One-third |
| Year China was the largest importer of plastic | 2017 |
| Number of countries China imported plastic from | 90+ |
| Country that exported the highest amount of plastic to China | Hong Kong |
| Number of countries that have cut back imports of scrap plastic | 2 |
| Countries that have cut back imports of scrap plastic | Vietnam and Malaysia |
| Year China drastically cut back its imports of plastic waste | 2018 |
| Amount of plastic waste imported from the US to China | 7 million tons |
| Year China joined the World Trade Organization | 2001 |
| Year China announced a ban on its import of most plastic waste | 2017 |
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What You'll Learn
China's plastic waste import ban
China had been the world's largest importer of waste plastics, accounting for 56% of the global market. In the years leading up to the ban, China imported an average of 8 million tonnes of plastic waste annually from over 90 nations. The United States, Japan, Germany, and the United Kingdom were among the top source countries. However, the country struggled to manage the enormous influx of waste, which contributed to its environmental problems, including air and water pollution.
The import ban, known as "National Sword," prohibited the import of most plastics and other materials headed for recycling processors in China. This ban had an immediate impact, with China's plastic imports plummeting by 99% in the following year. The ban also affected other types of waste, including mixed paper, aluminium, and glass waste.
The repercussions of China's waste import ban were significant, particularly for countries that had relied heavily on China to manage their waste. Communities across the United States, for example, have curtailed or halted their recycling programs, leading to an increase in plastic waste ending up in landfills or being incinerated. Similarly, Australia's recycling industry faced a crisis as it struggled to deal with the stockpile of recyclable waste previously shipped to China.
While the ban has disrupted global recycling programs, it has also increased the focus on mitigating the carbon footprint and plastic waste trade flow worldwide. China itself has launched initiatives to phase out single-use plastics and boost recycling. In the long run, the ban is expected to have a positive impact on China's environmental sustainability.
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Impact on global environmental sustainability
Plastic recycling has a significant impact on global environmental sustainability. While recycling is often touted as a solution to the plastic waste crisis, the reality is more complex. The environmental impacts of plastic recycling, especially chemical recycling, are significant. Mechanical recycling is believed to have a lower impact on climate change than chemical recycling, which contributes to greenhouse gas emissions and photochemical ozone formation.
The global plastic waste trade has historically been dominated by China, which was the largest importer of plastic waste until 2017. China's decision to drastically reduce its imports of plastic waste for recycling, including through the "'National Sword' policy enacted in 2018, has had a significant impact on global recycling programs. This move was driven by concerns over contaminated and soiled materials overwhelming Chinese processing facilities and contributing to environmental problems.
The repercussions of China's import ban have been felt globally, with many countries that previously relied on China to process their plastic waste now struggling to find alternative solutions. This has resulted in increased plastic waste ending up in landfills, incinerators, or littering the environment. For example, communities across the United States have curtailed or halted their recycling programs, leading to more plastic waste being disposed of in landfills or incinerated, creating pollution. Similarly, Australia's recycling industry is facing a crisis, with a stockpile of 1.3 million tons of recyclable waste that was previously exported to China.
The global trade in plastic waste often involves shipping to countries with lower processing costs, which can have negative environmental consequences. Developing countries, in particular, are facing increased plastic production and usage, contributing to the complexity of addressing global plastic production. To achieve global environmental sustainability, a transformative shift is needed, including a significant reduction in future plastic demand and the promotion of alternatives to single-use plastics.
While recycling can play a role in reducing plastic waste, it is not a panacea. Inefficient waste collection, sorting requirements, and transportation to dedicated waste handling facilities contribute to carbon footprint escalation. To address these challenges, measures such as closed-loop recycling, wastewater treatment, and the exploration of alternative sustainable materials are crucial. Prioritizing the reduction in plastic production and consumption is essential to achieving a circular economy and mitigating the environmental impacts of plastic pollution.
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Recycling in the US
The US recycling system involves three main steps: collection, processing, and remanufacturing into a new product. Recyclable materials are generated by consumers or businesses and then collected by a private hauler or government entity. The materials are then transported to a processing facility, where they are sorted, cleaned of contaminants, and prepared for transport to a milling facility or directly to a manufacturing facility. After all necessary processing is completed, recyclables are made into new products at recycling plants or other facilities, completing the process.
Recycling is an important economic driver in the US, creating jobs, tax revenues, and supporting American manufacturing. However, the US recycling system faces several challenges and shortcomings. One of the main issues is contamination, where recyclables become contaminated when items are placed in the wrong bin or when dirty food containers are included. This can prevent large batches of materials from being recycled and can lead to materials being incinerated, deposited in landfills, or washed into the ocean. Another challenge is the inconsistency in recycling practices across different regions, leading to high disposal errors and market instability for recycled products.
The US also heavily relied on China to process its plastic waste, with China accepting lower-grade plastics that were difficult to recycle. In 2018, China implemented a ban on importing most plastics, causing a major global shift in how recyclable materials are processed. This ban has had a significant impact on the US, with communities across the country curtailing or halting their recycling programs due to increased costs.
To improve the US recycling system, multi-entity collaboration is needed to address the current challenges. Standardized metrics and improved communication among different sectors of the recycling system are essential to strengthen existing markets and develop innovative ones. The EPA's National Recycling Strategy identifies actions required from federal, state, Tribal, and local governments, as well as private businesses and non-profit organizations, to enhance the system.
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Plastic waste trade in China
China's waste import ban, instated at the end of 2017, prevented foreign inflows of waste products. Starting in early 2018, the government of China, under Operation National Sword, banned the import of several types of waste, including plastics with a contamination level of above 0.05%. The ban has greatly affected recycling industries worldwide, as China had been the world's largest importer of waste plastics and processed hard-to-recycle plastics for other countries, especially in the West.
Before the ban, Chinese annual imports of plastic waste reached 8.88 million tons, with as much as 70.6% buried or even mismanaged, triggering a series of environmental problems. China is the world's biggest producer and consumer of plastics. For more than two decades, the country was also the dumping ground for foreign nations' trash as the world's largest importer. In 2017, the year before China’s strict import ban came into effect, the country imported almost 600,000 metric tons of plastic waste.
In the year since the ban, China’s plastics imports have plummeted by 99 percent, leading to a major global shift in where and how materials tossed in the recycling bin are being processed. Globally, more plastics are now ending up in landfills, incinerators, or likely littering the environment as rising costs to haul away recyclable materials increasingly render the practice unprofitable.
Regionally, East Asia and Pacific (EAP) countries are characterized as the leading exporters of plastic waste, mainly due to the large flow of exports from Hong Kong to China. Excluding Hong Kong, Europe and Central Asia (ECA) countries lead in exporting (for example, Germany, the UK, and the Netherlands), contributing to 32% ($27.6 billion USD) of all exports, followed by North American (NA) countries (the United States and Canada) contributing to 14% ($14.3 billion USD) of exports.
The waste export trend began sometime between the 1980s and 1990s, when China started to take in plastic and other scraps from less economically developed areas to use as raw materials for processing and manufacturing, and to make up for a shortage of domestic resources. It was a win-win situation. On the one hand, Chinese businesses finally had access to high-quality raw materials. On the other hand, exporting countries took advantage of this substantially cheaper way of dealing with their trash.
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China's plastic manufacturing
China's plastic injection molding industry, in particular, has experienced rapid growth and become a key global supplier. This growth is attributed to advanced technology and efficient production capabilities. Companies like Tontec, TK Group, Hongrita, Eco Molding, and Packson Mold are leading names in this industry, serving clients across automotive, healthcare, electronics, and other sectors. Injection molding is a versatile process that can produce complex parts with enhanced strength, making it suitable for detailed designs.
The country's plastic manufacturing capabilities are showcased through events like CHINAPLAS, which exhibits the latest innovations in injection molding technologies, recycling systems, and sustainable practices. CHINAPLAS 2025, for example, focused on green intelligent manufacturing, highlighting advancements in recycling technologies, sustainable materials, and low-carbon solutions.
Overall, China's plastic manufacturing sector is a significant contributor to the global supply chain, providing high-quality products and driving innovation to meet the diverse needs of various industries.
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Frequently asked questions
The process of recycling plastic involves grinding it up, melting it down, and reforming it. However, the plastic must be properly sorted and cleaned, which can be time-intensive and expensive. Furthermore, most plastic cannot be recycled more than once without acquiring defects and contaminants.
China used to be the largest importer of plastic for recycling, taking in nearly half of the world's recyclable waste. However, in 2018, China implemented a ban on importing most plastics and other waste, causing a major global shift in how recyclable materials are processed.
China's ban on importing plastic waste was due to the overwhelming amount of contaminated materials that were flooding its processing facilities, leading to increased environmental problems in the country.
The ban has led to a significant increase in plastic waste being sent to landfills, incinerators, or simply littering the environment. Many countries that previously relied on China for waste processing are now struggling to find alternative solutions, with some communities even halting their recycling programs altogether.
