Recycling: Is It As Good As We Think?

Last time we talked about the benefits of recycling. Unfortunately, like any process, recycling is not without its drawbacks – the drawbacks that we’re going to be diving into today!

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Recycling Is Expensive

One of the primary drawbacks of recycling is the cost. Recycling programs can be expensive to implement and maintain. This is due in part to the need for specialized equipment and infrastructure to collect, sort and process recyclable materials. Also, the value of recycled materials is often lower than the cost of producing new materials, which can make it difficult for recycling programs to be financially sustainable. Why use recycled materials when new materials are cheaper, and easier, to utilize?

Recycling Is Hard

Another issue with recycling is contamination. When non-recyclable materials are mixed in with recyclables – and this can be an easy mistake to make for good-intentioned people – it can render the entire batch unusable. This can be a major problem in areas where recycling is not mandatory, as many people may not know what can and cannot be recycled, and what is able to be recycled can vary by jurisdiction. According to a report by the National Waste & Recycling Association, contamination rates in single-stream recycling programs can be as high as 25 percent.

Recycling Can Cause Environmental Damage

Recycling can also have negative environmental impacts. For example, the process of recycling paper requires the use of chemicals and large amounts of water and energy. Similarly, recycling plastic can release harmful pollutants into the air and water. While recycling is still better for the environment than simply throwing materials in the trash, it is not a perfect solution and can still contribute to pollution.

Is Recycling Even Effective?

There are also concerns about the effectiveness of recycling. Some experts argue that the benefits of recycling are overstated, and that it may not be as effective at reducing waste as other methods, such as reducing consumption or reusing materials. According to a study published in the Journal of Industrial Ecology, recycling only reduces greenhouse gas emissions by 2-3 percent, whereas reducing consumption can reduce emissions by up to 20 percent.

Recycling can also create issues with the quality of materials produced. When materials are recycled, they are often downgraded in quality, which can limit their usefulness and lead to the production of lower-quality products. This can create a cycle where materials are continually downgraded and recycled, rather than being used for their intended purpose.

Even though there are many drawbacks, recycling remains an important part of efforts to reduce waste and conserve resources. Nevertheless, it is important to recognize that it is not a perfect solution and that there are limitations to what recycling can achieve. To make recycling more effective, it is important to focus on reducing contamination, improving infrastructure and exploring other waste reduction strategies. Or, look at other options, like reducing waste, composting, upcycling and others. Next time, we’re going to dive into the benefits of composting; in the meantime, please email us at COBEEthics@boisestate.edu with your sustainability tips, tricks, questions and concerns. See all Ethics posts and news.

In our research on waste behavior, sustainability, engineering design and decision making, we examine what U.S. residents understand about the efficacy of different waste management strategies and which of those strategies they prefer. In two nationwide surveys in the U.S. that we conducted in October 2019 and March 2022, we found that people overlook waste reduction and reuse in favor of recycling. We call this tendency "recycling bias and reduction neglect."

Our results show that a decades-long effort to educate the U.S. public about recycling has succeeded in some ways, but failed in others. These efforts have made recycling an option that consumers see as important – but to the detriment of more sustainable options. And it has not made people more effective recyclers.

A Global Waste Crisis

Experts and advocates widely agree that humans are generating waste worldwide at levels that are unmanageable and unsustainable. Microplastics are polluting the Earth’s most remote regions and amassing in the bodies of humans and animals.

Producing and disposing of goods is a major source of greenhouse gas emissions and a public health threat, especially for vulnerable communities that receive large quantities of waste. New research suggests that even when plastic does get recycled, it produces staggering amounts of microplastic pollution.

Given the scope and urgency of this problem, in June the United Nations convened talks with government representatives from around the globe to begin drafting a legally binding pact aimed at stemming harmful plastic waste. Meanwhile, many U.S. cities and states are banning single-use plastic products or restricting their use.

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Upstream and Downstream Solutions

Experts have long recommended tackling the waste problem by prioritizing source reduction strategies that prevent the creation of waste in the first place, rather than seeking to manage and mitigate its impact later. The U.S. Environmental Protection Agency and other prominent environmental organizations like the U.N. Environment Program use a framework called "the waste management hierarchy" that ranks strategies from most to least environmentally preferred.

The familiar waste management hierarchy urges people to "Reduce, Reuse, Recycle," in that order. Creating items that can be recycled is better from a sustainability perspective than burning them in an incinerator or burying them in a landfill, but it still consumes energy and resources. In contrast, reducing waste generation conserves natural resources and avoids other negative environmental impacts throughout a product’s life.

R’s Out of Place

In our surveys, participants completed a series of questions and tasks that elicited their views of different waste strategies. In response to open-ended questions about the most effective way to reduce landfill waste or solve environmental issues associated with waste, participants overwhelmingly cited recycling and other downstream strategies.

We also asked people to rank the four strategies of the Environmental Protection Agency’s waste management hierarchy from most to least environmentally preferred. In that order, they include source reduction and reuse; recycling and composting; energy recovery, such as burning trash to generate energy; and treatment and disposal, typically in a landfill. More than three out of four participants (78%) ordered the strategies incorrectly.

When they were asked to rank the reduce/reuse/recycle options in the same way, participants fared somewhat better, but nearly half (46%) still misordered the popular phrase.

Finally, we asked participants to choose between just two options – waste prevention and recycling. This time, more than 80% of participants understood that preventing waste was much better than recycling.

Recycling Badly

While our participants defaulted to recycling as a waste management strategy, they did not execute it very well.

This isn’t surprising, since the current U.S. recycling system puts the onus on consumers to separate recyclable materials and keep contaminants out of the bin. There is a lot of variation in what can be recycled from community to community, and this standard can change frequently as new products are introduced and markets for recycled materials shift.

Our second study asked participants to sort common consumer goods into virtual recycling, compost and trash bins and then say how confident they were in their choices. Many people placed common recycling contaminants, including plastic bags (58%), disposable coffee cups (46%) and light bulbs (26%), erroneously – and often confidently – in the virtual recycling bins.

This is known as wishcycling – placing nonrecyclable items in the recycling stream in the hope or belief that they will be recycled. Wishcycling creates additional costs and problems for recyclers, who have to sort the materials, and sometimes results in otherwise recyclable materials being landfilled or incinerated instead.

Although our participants were strongly biased toward recycling, they weren’t confident that it would work. Participants in our first survey were asked to estimate what fraction of plastic has been recycled since plastic production began. According to a widely cited estimate, the answer is just 9%. Our respondents thought that 25% of plastic had been recycled – more than expert estimates, but still a low amount. And they correctly reasoned that a majority of it has ended up in landfills and the environment.

Empowering Consumers To Cut Waste

Post-consumer waste is the result of a long supply chain with environmental impacts at every stage. However, U.S. policy and corporate discourse focuses on consumers as the main source of waste, as implied by the term "post-consumer waste."

Other approaches put more responsibility on producers by requiring them to take back their products for disposal, cover recycling costs and design and produce goods that are easy to recycle effectively. These approaches are used in some sectors in the U.S., including lead-acid car batteries and consumer electronics, but they are largely voluntary or mandated at the state and local level.

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