Helena Joyce
Plastic straws are one of the top ten most common items found in coastal cleanups globally. They are small and lightweight, making them easily lost as litter and contributing to plastic pollution in waterways, streets, parks, and oceans. While plastic straws only make up 0.025% of the 8 million tons of plastic that flow into the ocean each year, they still pose a significant risk to marine life and ecosystems. Straws can sicken and kill marine animals when lodged in their noses, throats, and stomachs, and they also contribute to the presence of microplastics in the environment. As public awareness of plastic pollution grows, governments and corporations are increasingly considering eliminating or phasing out single-use plastic straws.
| Characteristics | Values |
|---|---|
| Daily plastic straw usage in the US | 500 million |
| Global plastic straw market share | 99% |
| Decomposition time | 200 years |
| Plastic straw weight per year | 73,000 metric tons |
| Plastic in the ocean | 150 million metric tons |
| Additional plastic added to the ocean per year | 8 million tons |
| Percentage of plastic straws in marine litter | 0.025% |
| Percentage of plastic straws in coastal cleanups | One of the top 10 |
| Percentage of plastic recycled | 9% |
| Plastic pollution in tap water samples in the US | 94% |
| Plastic straw alternatives | Compostable straws, paper straws, glass straws |
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What You'll Learn
Plastic straws are a small part of the plastic pollution problem
Plastic straws are lightweight and small, making them easily littered and capable of clogging gutters and polluting waterways, streets, parks, and oceans. They are also non-recyclable, so they end up in landfills and incinerators, releasing harmful chemicals. Straws can persist in the environment for hundreds to thousands of years, breaking down into microplastics that infiltrate the bodies of marine animals, birds, and humans.
The production of plastic straws also has environmental implications. The manufacturing process consumes resources and emits CO2, while the straws themselves are made from oil-based polypropylene or polystyrene, which contains chemicals like benzene, butadiene, and styrene that can leach into food and beverages, posing health risks.
While banning plastic straws has gained momentum, it is a small step in addressing the vast plastic pollution issue. The focus should be on a fundamental shift away from single-use plastics and promoting reusable alternatives. Compostable straws, for instance, are not always properly composted and can end up in landfills, acting like regular plastics.
The plastic straw ban has had varying impacts on plastic waste production. For instance, Hong Kong's plastic straw consumption dropped by 40% from 2017 to 2020, but its overall waste plastics increased by 10.3% from 2017 to 2018. Thus, while reducing plastic straw usage is important, it is a small part of tackling the broader plastic pollution crisis.
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Plastic straws are hard to recycle
Plastic straws are a significant contributor to pollution, with an estimated daily use of 500 million straws in the US alone, translating to 182.5 billion a year. While plastic straws can technically be recycled as they are made from polypropylene or polystyrene, they are challenging to recycle due to their small size and flexibility. Most recycling facilities do not accept plastic straws as they can easily fall into the cracks and crevices of recycling machinery, causing damage. This issue has led to the development of methods to recycle straws, such as placing them in larger polypropylene containers to prevent them from falling through conveyor belt cracks during sorting. However, even with these methods, there is a low demand for recycled polypropylene, resulting in some recycled plastic ending up in landfills.
The difficulty in recycling plastic straws highlights the importance of reducing their use and exploring alternative options. Some alternative straws are manufactured from compostable materials like corn or potato starch, but these often require commercial composting facilities to break down. The challenge is that these compostable straws rarely end up in such facilities, instead ending up in regular trash bins or littering public spaces, where they act like regular plastics or break down into microplastics.
The negative environmental impact of plastic straws has led to growing public concern and initiatives to ban or phase out single-use plastic straws. While some argue that straws represent a tiny fraction of the plastic pollution problem, the ban on straws is seen as a starting point for a more fundamental shift away from single-use plastics. The focus should be on recycling and reusing materials and developing new biodegradable and non-toxic alternatives.
The proper disposal of plastic straws is crucial to minimise their environmental impact. While burning straws may seem like a solution, it releases harmful pollutants. Instead, collecting straws in recyclable containers, such as food containers or plastic bags, and sealing them tightly before placing them in the recycling bin is recommended. Additionally, some cities and independent recycling centres may have the ability to recycle plastic straws, so checking online or with local authorities is advisable.
Plastic straws are challenging to recycle due to their small size and flexibility, leading to issues with recycling machinery. This has resulted in the development of methods to improve straw recyclability, but the low demand for recycled polypropylene limits the effectiveness of these methods. The environmental concerns associated with plastic straws emphasise the need for reduced usage and the adoption of alternative, eco-friendly options.
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Plastic straws can harm wildlife
Plastic straws are one of the many plastic pollutants that have contaminated the environment. While they may seem insignificant due to their small size, plastic straws have a significant environmental impact and can cause harm to wildlife.
Plastic straws are manufactured from polypropylene or polystyrene, which contains chemicals like benzene, butadiene, and styrene. These chemicals can leach into food and drinks, posing risks to human health. Polystyrene is also a likely human carcinogen, linked to headaches and fatigue.
When plastic straws are disposed of, they can end up in landfills, parks, streets, and beaches, and, most concerningly, our oceans. They persist in the environment for a long time, taking around 200 years to decompose. During this time, they can break down into microplastics, which can infiltrate the soil, water, and the bodies of animals and humans. Microplastics have been found in 94% of tap water samples in the US and nearly every brand of bottled water.
Marine animals, such as sea turtles, are particularly vulnerable to plastic straws. Sea turtles often mistake plastic straws for food, as they resemble jellyfish tentacles. Ingesting plastic straws can lead to intestinal blockages, internal injuries, and infections in sea turtles. Plastic straws can also get lodged in the nostrils or throat of sea turtles, causing suffocation or feeding difficulties. Additionally, straws can entangle sea turtles, hindering their ability to swim and hunt.
The impact of plastic straws on wildlife is not limited to sea turtles. Millions of marine animals, including seabirds, fish, dolphins, and manatees, suffer and die each year due to plastic pollution. Plastic straws contribute to this issue, as they can be ingested or physically entangle these creatures.
While plastic straws may only represent a tiny fraction of the plastic pollution problem, their impact on wildlife is undeniable. Reducing the use of plastic straws, promoting reusable alternatives, and supporting initiatives to reduce plastic waste are crucial steps in mitigating the harm caused by plastic straws to wildlife.
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Plastic straws can harm humans
Plastic straws are a small contributor to plastic pollution, constituting less than 1% of the problem. However, they can still cause significant harm to humans. Plastic straws are often made from polypropylene and sometimes polystyrene. Polystyrene contains styrene, a possible human carcinogen linked to headaches, fatigue, and other health issues. It also contains benzene, butadiene, and styrene, which can migrate into food or drinks and accumulate in body fat. These chemicals can cause irritation of the eyes, nose, and throat and affect the nervous system.
As plastic straws break down into microplastics, they can infiltrate the bodies of humans and other living things. Microplastics have been found in about a quarter of seafood and even in table salt. They are also present in freshwater systems like rivers and streams, and in 94% of tap water samples in the U.S. and nearly every brand of bottled water. The chemicals attached to microplastics can cause cancer, genetic disruptions, and other adverse health effects.
The disposal of plastic straws also contributes to pollution. They take around 200-500 years to decompose, and during this time, they can release toxic chemicals into the environment. Plastic straws can end up in landfills, streets, parks, and waterways, where they are consumed by animals and enter our food supply.
While plastic straws are a small part of the plastic pollution problem, their potential harm to humans and the environment has led to growing public concern and movements to ban or reduce their use. Some alternative straws made from compostable materials, such as corn or potato starch, have been introduced, but these often require commercial composting facilities to break down effectively.
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Bans on plastic straws
Plastic straws are one of the first items affected by plastic bans in many countries. Driven by public pressure, governments and corporations are considering eliminating or phasing out single-use plastics such as straws. While plastic straws constitute less than 1% of plastic pollution, they are a highly visible symbol of the issue.
Some countries and cities have already banned plastic straws, including Portland, Oregon, and Seattle. California is awaiting the governor's signature on a bill to ban straws unless requested at dine-in restaurants. Other states such as Hawaii, cities like New York, and corporations such as Amazon and Starbucks are also considering or have initiated plastic phase-out plans.
There are alternative straws being manufactured for the hospitality industry, including "compostable" plastic straws made from corn or potato starch. However, these straws require oxygen and sunshine to break down, which is not available in landfills or the ocean. They will likely end up in regular trash bins, bound for landfills or littering streets and parks, eventually making their way into waterways. Even where commercial or industrial composting facilities exist, it is unlikely that compostable straws will end up there.
In the United States, President Donald J. Trump signed an Executive Order to end the procurement and forced use of paper straws, which were introduced as an alternative to plastic straws. Trump's administration argued that paper straws use chemicals that may carry risks to human health, such as PFAS (per- and polyfluoroalkyl substances), which are highly water-soluble and can bleed from the straw into a drink. Paper straws are also more expensive and often individually wrapped in plastic, undermining their environmental benefits.
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Frequently asked questions
Plastic straws are one of the top 10 most commonly found items in coastal cleanups worldwide. It is estimated that 437 million to 8.3 billion plastic straws are on the entire world's coastlines. However, straws only make up a small percentage of plastic pollution in the ocean. National Geographic reports that plastic straws make up 0.025% of the 8 million tonnes of plastic that flow into the ocean each year.
Plastic straws are small and lightweight, which makes it easy for them to end up as litter, clogging gutters and polluting waterways, streets, parks, and oceans. Straws can also harm wildlife, as they can be ingested by seabirds, fish, sea turtles, manatees, dolphins, and other marine animals, or get lodged in their noses, throats, and stomachs.
There are alternative straws being manufactured for the hospitality industry, including "compostable" plastic straws made from corn or potato starch. However, these straws require commercial or industrial composting facilities to break down, which are not widely available. Paper straws are another alternative to plastic straws.
Many cities and nations are considering or have implemented bans on plastic straws, including California, Hawaii, Seattle, New York, the United Kingdom, and countries in the British Commonwealth. Some companies, such as Starbucks and McDonald's, have also stopped supplying plastic straws. Individuals can also play a role by refusing straws when offered and raising awareness about the impact of plastic straws on the environment.
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