Chloe Zhang
Plastic recycling is a complex and often misunderstood process. While many people put their plastics in recycling bins, the reality is that a significant portion of this plastic does not get recycled. The plastic that is recycled is often mixed with freshly made plastic or toxic additives, and the recycling process itself can be expensive and time-consuming. Additionally, there are various types of plastic with different chemical compositions, and recycled plastics can be contaminated by mixing different types. This has led to a global waste crisis, with plastic waste ending up in landfills and the oceans, causing harm to the environment and marine life. However, there are efforts to improve plastic recycling and reduce plastic pollution, such as implementing better waste management techniques and developing sustainable alternatives.
| Characteristics | Values |
|---|---|
| Plastic recycling rate | Only about 5% to 6% of plastics are being recycled each year in the US |
| Plastic recycling rate in the UK | 9.5% in 2014 |
| Plastic recycling rate in the UK | 15% was combusted to create electricity or heat |
| Plastic recycling rate in the UK | 79% ended up in landfills |
| Plastic recycling in developing countries | Low |
| Plastic production by 2050 | Triple the current production |
| Plastic recycling in Tanzania | Reduced landfill waste by 75% to 80% in neighborhoods in several cities |
| Plastic recycling in Ghana | Banning single-use plastics with little reuse value |
| Plastic recycling in Ecuador | Advocating for zero-waste systems |
| Plastic recycling in Oregon | Only soda bottles and jugs are accepted |
| Plastic recycling in Europe | "Widely Recycled" label means acceptable by 75% of local councils |
| Plastic recycling in Europe | "Check Local Recycling" label means acceptable by 20% to 75% of councils |
| Plastic recycling in the US | Power plants that use non-recycled plastics as fuel could produce 61.9 million MWh of electricity, enough to power 5.7 million homes |
| Plastic recycling in the US | Waste-to-energy plants produce electricity and heat with less environmental impact than almost any other source of electricity |
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What You'll Learn
Plastic waste often ends up in landfills
The problem is further exacerbated by the fact that plastic is not designed to be recycled. Its quality diminishes, and it becomes more toxic with each attempt. Additionally, the plastic industry has been accused of perpetuating misinformation and greenwashing, promoting the idea of "chemical recycling" or "advanced recycling," which involves incinerating plastic waste and releasing climate-warming greenhouse gases and hazardous waste.
The consequences of plastic waste in landfills are significant. Landfills emit methane gas, attract insects and scavenging animals, and leach toxic chemicals into the surrounding soil and water. They also contribute to air pollution, decrease property values, and increase the risk of fires. Furthermore, landfills are a major source of microplastics, which can find their way into natural ecosystems and pose a serious risk to the environment and human health.
To address this issue, there is a growing movement towards reducing plastic use, banning single-use plastics, and developing sustainable alternatives. Some countries, like Ghana, are working to establish a circular economy for plastic, which involves phasing out single-use plastics and implementing robust collection, reuse, and recycling systems. While these efforts are promising, they require significant time, energy, and resources, highlighting the urgent need for systemic change and global cooperation to tackle the plastic waste crisis effectively.
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Plastic recycling is expensive and rare
The process of recycling plastic requires significant infrastructure, equipment, water, and energy, driving up costs. Additionally, there are now thousands of different types of plastic, and none of them can be melted down together. The variety of plastics also makes it difficult to sort and separate them, further increasing expenses. The low market value of recycled plastic is a result of the cheap production of new plastic, as well as government subsidies to the oil and gas industry, making the creation of new plastic more profitable than recycling.
The high cost of recycling plastic has led to a decrease in recycling rates, with many localities resorting to incineration or landfill disposal for scrap materials. The global restructuring of the scrap market has also impacted recycling rates, as the low value of scrap and high costs of recycling have made it more expensive to recycle plastic than to manufacture new plastic. This has resulted in a crisis where more plastic is being produced, and an even smaller percentage of it is being recycled.
Furthermore, plastic is not designed for recycling and loses quality with each attempt, becoming more toxic. This means that even recycled plastic goods will eventually end up in landfills or incinerators at the end of their usable life cycles. The issues with plastic recycling have led to a search for alternative solutions, such as reusable systems and non-plastic packaging made from environmentally friendly materials like fungi or hemp. However, these alternatives often face challenges due to the cheap production of plastic.
While plastic recycling is expensive and rare, there is a growing global demand for high-quality recyclable materials. This, coupled with new technology and infrastructure developments, could lead to a decrease in the price of recycling in the future, making it more cost-effective. Additionally, recycling has benefits beyond financial profit, such as creating jobs and improving environmental and social responsibility.
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Plastic is cheap to make and profitable
The cost of producing plastic bottles can vary depending on the raw material and energy prices at the time. However, it is generally not that much more expensive to produce a glass bottle versus one made from polyethylene terephthalate (PET) – about $0.01 more, according to some analyses. Plastic is also lightweight and adaptable in ways that many alternatives are not. For example, it takes less material to make a drinks bottle out of plastic than it does to make one out of glass.
Despite the low cost of making new plastic, it is still often cheaper to use recycled plastic than fresh, virgin plastic. A tonne of virgin PET costs around £1,000, while clear recycled PET costs just £158 per tonne. However, contamination of PET plastic with PLA can leave the resulting bottle weaker and unfit for use, meaning the whole batch will have to be discarded. As manufacturers try to reduce their plastic footprint by using greener, biodegradable plastics, the risk of mixing with conventional plastics will only increase, potentially driving up the cost of recycled materials.
While plastic is cheap to make, recycling it is expensive. This is partly because different kinds of plastic cannot be combined in manufacturing a recycled product. For example, very small amounts of PVC can significantly degrade PET. Sorting and separating out the recyclable material is labor-intensive and expensive. In addition, the value of truly recycled plastics—that is, plastic turned back into plastic—has always been low. Incentives like government subsidies to the oil and gas industry make the production of newly made plastics far more profitable than recycling.
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Plastic waste harms human and environmental health
Plastic waste is a significant threat to both the environment and human health. It is a pressing issue that has raised concerns worldwide due to its persistence and potential to cause harm over extended periods. Plastic pollution is not limited to a specific ecosystem but is present in various environments, from the Antarctic tundra to tropical coral reefs.
One of the primary ways plastic waste affects the environment is by contaminating water bodies. Every year, approximately 19-23 million tonnes of plastic waste escape into aquatic ecosystems, polluting lakes, rivers, and seas. This pollution has severe consequences for marine life, as it increases the risk of ingestion, suffocation, and entanglement for marine species. Research indicates that over 1,500 species in marine and terrestrial environments are known to ingest plastics. Plastic pollution also disrupts habitats and natural processes, reducing ecosystems' ability to adapt to climate change and directly impacting millions of people's livelihoods, food production capabilities, and social well-being.
The persistence of plastic waste is a critical concern. Research suggests that plastic pollution may take between 100 to 1,000 years or more to decompose, depending on environmental conditions. During this extended period, plastic waste can fragment into smaller pieces known as microplastics, which can be as small as one nanometer in size. These microplastics have been found in various ecosystems worldwide, including the human body. According to the United Nations Environment Programme, microplastics have been detected in human livers, kidneys, and placentas, indicating potential health risks.
The toxic chemical additives and pollutants found in plastics pose a significant threat to human health. These chemicals have been linked to causing cancer and endocrine disruption, leading to reproductive, growth, and cognitive impairments. Moreover, microplastics can act as vessels for pathogens, facilitating the spread of diseases. The health impacts of plastics are not limited to the end-users but also affect individuals involved in waste management. People who earn their living by collecting and sorting waste are exposed to elevated risks of cancer, infectious diseases, respiratory problems, and other severe health issues due to constant contact with plastic waste.
The issue of plastic waste is further exacerbated by the challenges associated with recycling. Despite public efforts to recycle plastic waste, the reality is that most plastic ends up in landfills or is illegally dumped. Recycling plastic is expensive and requires substantial infrastructure, equipment, water, and energy. Additionally, the presence of various types of plastic that cannot be melted down together complicates the recycling process. The plastic industry's focus on increasing production and perpetuating misinformation about recycling further hinders progress in addressing the plastic waste crisis.
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Plastic recycling is a global issue
The issue is complex and multifaceted. Firstly, there is a lack of understanding among the public about what happens to their plastic waste. Many individuals diligently sort their recycling, but the reality is that much of it is still landfilled or open-dumped, often illegally. These landfills have significant negative impacts on the environment and surrounding communities, emitting methane gas, attracting disease-carrying animals, and leaching toxic chemicals into the soil and water.
Secondly, plastic recycling faces technical challenges due to the diverse chemical compositions of plastics. There are thousands of different types of plastic, and they cannot be melted down together without degrading the quality and increasing toxicity. Sorting and separating different types of plastics is labor-intensive and expensive, and the infrastructure required for effective recycling is costly and lacking in many places.
Additionally, the plastic industry's narrative and lobbying efforts have contributed to the issue. While pushing for recycling, the industry simultaneously plans to increase plastic production, misleading the public about the recyclability of plastic. Their focus on recycling diverts attention from the more critical need to reduce plastic production and consumption.
Addressing plastic recycling as a global issue requires a multi-pronged approach. It involves implementing policies that ban single-use plastics, incentivize reusable systems, and hold plastic producers accountable for the waste they generate. It also entails developing better, more recyclable products and increasing circularity by extending the lifespan of plastic products and finding sustainable alternatives.
Furthermore, it is essential to support and scale existing waste management techniques that have proven effective in reducing plastic pollution and demand for plastic. For example, initiatives like Nipe Fagio in Tanzania have successfully reduced landfill waste by 75% to 80% in several cities through robust collection, reuse, and recycling efforts.
Plastic recycling is indeed a global issue that demands urgent attention and concerted efforts from all sectors of society. By raising awareness, implementing policies, adopting sustainable alternatives, and supporting successful waste management initiatives, we can collectively work towards reducing plastic pollution and its detrimental impact on the environment and communities worldwide.
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Frequently asked questions
While it is ideal to think that all the plastic we put in recycling bins is recycled, that is not the case. Plastic is cheap to make and profitable, and it is easier to produce new plastic than to recycle old plastic. Recycling plastic is expensive, and it requires huge amounts of infrastructure, equipment, water, and energy. Plastic also degrades after one or two uses and becomes more toxic with each attempt. As a result, only a small percentage of plastic is recycled.
In the United States, only about 5% to 6% of plastics are recycled each year. In 2017, the National Association for PET Container Resources found that only 21% of the plastic bottles collected for recycling were turned into new things. Similarly, in 2014, Americans discarded about 33.6 million tons of plastic, but only 9.5% was recycled.
The solution to the problem of plastic waste lies upstream. Those who produce plastics need to pay for the damage it causes, and the world will have to make less of it. We need to develop better, more recyclable products and find sustainable alternatives. Policies that ban plastic bag use, require bottle deposits, and expand recycling would also help.
