For many years, humans have been blaming single-use plastic for causing severe pollution to the environment. However, according to a new research published on Oct. 26 in the journal Environmental Science & Technology, the environmental impacts of single-use plastic are exaggerated.
Stepping into 2021, people’s awareness regarding environmental problems has increased remarkably, thus driving consumers to minimize the use of products which are considered ungreen, one of them is single-use plastic.
However, Shelie Miller – An environmental engineer of University of Michigan recently revealed another approach of single-use plastic in her research paper, which emphasized our five most popular misperceptions about the environmental effects of this item.
People tend to focus on the impact of the packaging, rather than the impact of the product itself – Shelie Miller, Associate Professor at the School for Environment and Sustainability and Director of the U-M Program in the Environment.
Despite many doubts, a study of University of Michigan indicated that “Two-thirds of the plastic consumed in the United States in 2017 was used for other purposes (than packaging) including building construction, electronics, furniture, automobiles, home furnishings and various consumer products.” That means there is a large amount of plastic waste coming from other sources rather than from plastic packaging.
The truth is when it comes to the conclusion of a material’s environmental impact, we need to consider the effects that occurred at every stage of its lifetime. Therefore, the research took advantage of Life-cycle assessment tool to divide lifetime environmental impacts into multiple categories including water and resource depletion, climate change and energy use, solid waste generation, biodiversity loss and ecological toxicity.
There are a wide range of invisible environmental impacts while plastics in its common appearances like cans, bottles, boxes,… are amongst the most visible. Consequently, we believe that plastics have the greatest impact on the environment.
According to some researches, plastic generally has lower overall environmental impacts compared to single-use glass or metal in most categories. Furthermore, manufacturing of glass bottles is too energy- and resource-intensive to be called eco-friendly.
Non-reusability is probably the most controversial issue of single-use plastics. However, the research pointed out the environmental impact of a material is tied to its content inside rather than its containers.
Besides, only when being reused enough times, reusable products have lower environmental impacts because its manufacture requires tons of materials and energy.
For example, a paper bag is required to be reused at least seven times to offset the environmental impact of its production (such as natural resources, fossil fuel consumed during transportation,…). That seems to be impossible since not many paper bags would hold up that much.
The 3R well-known model: “Reduce, Reuse, Recycle” is one of the most popular solutions when it comes to environmental protection activities. Yet the fact that reducing and reusing listed ahead of recycling is not highlighted. As a result, consumers often over-emphasize the importance of recycling packaging instead of reducing product consumption and reusing items to extend their lifetime.
It is fundamentally easier for consumers to recycle the packaging of a product than to voluntarily reduce their demand for that product. However, true to be told, the environmental benefits brought by recycling and composting tend to be small when compared with efforts to reduce overall consumption – Shelie Miller, Associate Professor at the School for Environment and Sustainability and Director of the U-M Program in the Environment.
In fact, reducing waste does not bring us as many benefits as we thought, thus compared to the amount of waste saved, the consumption is much more considerable. In other words, environmental protection solutions should address the root of this problem, which means reducing waste and consumption, consider carefully the kinds and quantities of products.
In conclusion, though the use of plastic still comes at the cost of environmental impacts, its flexibility, convenience and competitive price are undeniable. Therefore, instead of over concentrating on completely cutting on the use of plastic, we should use them with mindfulness and careful consideration.
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