Maya Ellison
Plastic is everywhere, from grocery bags to food packaging and medical supplies. While it is tremendously versatile, cheap, and offers important hygiene applications, our addiction to plastic has evolved into a crisis. Plastic waste is accumulating at a staggering rate, with plastic production doubling between 2000 and 2019 and an expected 70% increase in use and production by 2040. The environmental and health consequences are dire, with plastic choking landscapes, endangering human and animal health, and driving climate change. While cutting out plastic completely is challenging, it is crucial to drastically reduce plastic consumption and eliminate plastic pollution to protect our planet and our health.
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What You'll Learn
Plastic is harmful to human health and the environment
Plastic is deeply intertwined with our modern lives, from food to cars to footwear to space equipment. However, it is also harmful to human health and the environment. Firstly, the extraction of fossil fuels, from which plastic is made, disturbs wildlife, pollutes groundwater systems, and causes oil spills in the ocean. The production of plastics also contributes to greenhouse gas emissions, which drive climate change.
Plastics also endanger human health. Burning or incinerating plastic waste releases toxic fumes and particulate matter into the air, which can lead to respiratory problems and exacerbate conditions like asthma. Plastic also contains toxic additives that can cause allergic reactions such as skin rashes and itching.
The use of single-use plastics is a glaring example of the problems with throwaway culture. Plastic waste is accumulating at a staggering rate, with plastic production doubling between 2000 and 2019. While recycling can help reduce the environmental footprint of plastic, 91% of plastic is not recycled and ends up in landfills, incinerators, or the environment.
Plastic waste also severely harms the environment, especially marine ecosystems. Plastic litter on the ground can be washed away by rain or travel through storm drains into rivers and streams, eventually making its way into the ocean. Aquatic animals often mistake plastic for prey, and as a result, microplastics enter our food system through the fish we eat. Plastic also threatens ecosystems, lowers biodiversity, and can change the flow of nutrients between plants and animals.
Overall, the potential harm associated with plastic underscores the importance of reducing plastic consumption and finding more sustainable alternatives.
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Plastic is not biodegradable and pollutes the soil and water
Plastic is a human invention that has been specifically designed to defeat natural decay processes. Unlike natural polymers such as rubber and silk, plastic does not biodegrade and therefore persists in the environment for thousands of years. This is a major problem, as plastic is now accumulating waste at a staggering rate. Since the 1950s, over 9 billion metric tons of plastic have been produced, with more than half of this amount being manufactured after 2000. The world's plastic production doubled between 2000 and 2019, and it is expected to increase by 2040.
The majority of plastic waste ends up in landfills, incinerators, or the environment. It is estimated that 8 million metric tons of plastic enter the ocean every year, with plastic pollution affecting all land, freshwater, and marine ecosystems. This plastic waste is harmful to wildlife, which can mistake plastic for food and die of starvation as their stomachs become filled. It also releases toxic chemicals into the soil and water, threatening food security and human health.
Microplastics, which are tiny particles of plastic, are a particularly pervasive form of plastic pollution. They can enter the environment through the manufacturing process, as well as through the breakdown of larger plastic items. These microplastics can have a long-term negative effect on ecosystems, as they interact with soil fauna and affect their health and soil functions. For example, earthworms make their burrows differently when microplastics are present in the soil, impacting their fitness and the soil condition.
Agricultural plastic pollution is another significant issue, as plastic used in agriculture can leach into soils, reducing soil quality and entering the food chain. As the world's population is expected to increase, reducing plastic pollution in soil will be crucial to ensuring global food security and safe drinking water.
Overall, plastic pollution poses a serious threat to the environment, economies, and human health. It is important to reduce plastic use and properly dispose of and recycle plastic items to mitigate the impacts of plastic pollution.
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Plastic production and disposal contribute to climate change
Landfills, where a significant portion of single-use plastics end up, account for more than 15% of methane emissions. As landfills expand due to the continuous disposal of plastics, these emissions increase. Incineration, another common method of plastic waste disposal, has an even larger climate impact. Burning waste releases thousands of pollutants, including greenhouse gases, and incinerator facilities are often located near communities of colour and low-income populations, disproportionately impacting vulnerable communities.
The disposal of plastics also contributes to climate change by interfering with the ocean's capacity to absorb and sequester carbon dioxide. Microplastics, which enter the environment through the manufacturing process and the breakdown of plastic waste, are ingested by plankton and microalgae, reducing their ability to remove carbon dioxide from the atmosphere. This, in turn, accelerates climate change.
The production and disposal of plastics are closely linked to climate change, and addressing this issue requires systemic shifts to slow the growth of plastic production and reduce overall plastic consumption. Recycling and reusing plastics can help reduce the environmental impact, but it is essential to prioritize the elimination of non-necessary single-use plastics to protect the planet from the adverse effects of plastic pollution and climate change.
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Plastic recycling is difficult and inefficient
A Greenpeace report found that people put plastic into recycling bins, but almost none of it is actually recycled. This is because plastic is challenging and costly to collect, sort, transport, and reprocess. There are thousands of different types of plastic, and they cannot be melted down together. Even when plastic is recycled, it is often downcycled into a lower-quality product, and the recycling process can be wasteful and toxic.
The oil and gas industry has played a role in perpetuating the myth that plastic is recyclable. Despite the challenges and inefficiencies of plastic recycling, some facilities are attempting to reprocess plastic cups and containers. However, the reprocessing rates are low, and most recycled plastic ends up in landfills. For example, less than 5% of plastic cups and containers are repurposed, and only 21% of plastic bottles collected for recycling are turned into new products.
The plastics industry has waged a decades-long campaign to convince the public that plastic is recyclable, similar to the tobacco industry's efforts to promote filtered cigarettes as healthier. This has led to a disconnect between the message of recycling and the reality of plastic waste management. It is important to recognize that recycling is not a solution to the plastic crisis and that reducing plastic consumption and waste is a more effective approach.
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Alternatives to plastic are often more expensive
Plastic is everywhere, from the depths of the ocean to the Antarctic sea ice and even in our drinking water. It is choking the environment, endangering our health, and driving climate change. While it is important to reduce our reliance on plastic, it is not realistic or desirable to eliminate it completely.
Plastic is cheap, versatile, and produced by the subsidised fossil fuel industry. It is used in almost every aspect of our lives, from consumer goods to industrial agriculture and the medical field. Alternatives to plastic are often more expensive, and the transition to a circular economy will require systemic transformation. For example, PLA (polylactic acid), made from corn starch and sugarcane, can be 20-50% more costly due to the complex processes involved in converting these materials. Additionally, bioplastics require land that competes with food production, and the fuel used to run farm machinery produces greenhouse gas emissions.
However, as more efficient and eco-friendly strategies for producing alternatives are devised, prices are expected to decrease. It is important to note that reducing plastic waste is not just about choosing reusable bags over disposable ones, but also about addressing the fragmented approach to plastic waste management and reducing our overall consumption.
While certain single-use plastics, such as surgical gloves and face masks, are important for hygiene and health, many others contribute to the growing plastic waste crisis. The packaging sector is responsible for almost half of the world's plastic, and much of it ends up in landfills, incinerators, or the environment. By 2050, the plastic industry could account for 20% of the world's total oil consumption, and the scale of plastic pollution is expected to rise dramatically.
To protect the planet, we need to wean ourselves off avoidable single-use plastics and make lifestyle changes, such as recycling more and using reusable water bottles. Businesses also have a role to play, such as by offering plastic-free aisles or finding alternatives to plastic packaging. While it may be challenging, transitioning to a future with drastically reduced plastic consumption and eliminated plastic pollution is crucial for the health of our planet and ourselves.
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Frequently asked questions
Plastic is harmful to both the environment and human health. Plastic waste blocks waterways, provides havens for mosquitoes, and contributes to flooding. It also releases harmful toxins when burned. Plastic is also ingested by marine animals, who mistake it for food, and can cause their death. Humans also ingest microplastics, which can enter our bodies through inhalation and absorption.
Alternatives to plastic include bioplastics, which are made from the sugars in corn starch and sugarcane. However, bioplastics can be costly and require land that competes with food production. Another alternative is to use reusable shopping bags made from renewable materials.
Reducing plastic consumption requires a combination of individual, corporate, and governmental actions. Individuals can reduce their plastic consumption by refusing single-use plastics, such as plastic bags, straws, and water bottles, and instead using reusable alternatives. Companies can reduce plastic consumption by investing in quality goods that last instead of cheap, disposable goods. Governments can implement policies such as bans or fees on plastic bags, as well as coordinating plastic waste policies to improve waste management and recycling systems.
