Maya Ellison
Plastic is one of the most greenhouse gas-intensive industries in the manufacturing sector, threatening our ability to maintain a survivable climate. It is derived from fossil fuels and emits greenhouse gases at every stage of its lifecycle, from extraction and transportation to refining, manufacturing, use, recycling, and disposal. The rapid growth of the plastic industry, fuelled largely by natural gas, undermines efforts to reduce carbon pollution. Single-use plastics, in particular, are a prime culprit behind our throwaway society, with more than half of the over 300 million tons of plastic produced annually falling into this category. The production and lifecycle of plastic pose a greater threat to our planet than many realise, and addressing plastic pollution is critical to mitigating climate change.
| Characteristics | Values |
|---|---|
| Origin | Fossil fuels |
| Carbon emissions | At every stage of the plastic life cycle |
| Global oil consumption associated with plastics | 4-8% |
| Predicted plastic contribution to oil consumption by 2050 | 20% |
| Fossil fuel extraction and transportation emissions | 12.5-13.5 million metric tons of carbon dioxide equivalent |
| Land disturbance emissions | 1.686 billion metric tons of carbon dioxide |
| Landfill contribution | More than 15% of methane emissions |
| Time taken to decompose | Over 1,000 years |
| Plastic waste in the environment | 22% |
| Recycled plastic waste | Less than 10% |
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What You'll Learn
Plastic is made from fossil fuels
Plastic is derived from fossil fuels, including natural gas and crude oil, and contains chemicals that are known endocrine disruptors, threatening human health and the environment. The plastic and fossil fuel industries are deeply intertwined and interdependent. As the world moves towards renewable energy sources, the fossil fuel industry is relying on the increasing demand for plastic to maintain its profits.
The production of plastic from fossil fuels emits vast amounts of greenhouse gases at every stage of its life cycle. From the extraction of fossil fuels to the refinement of plastics, greenhouse gases are released into the atmosphere. The extraction of fossil fuels and their transportation to plastic factories is a carbon-intensive activity, emitting an estimated 1.5 to 12.5 million metric tons of greenhouse gases. The CIEL report estimates that an additional 184 to 213 million metric tons of greenhouse gases are emitted annually due to the refinement of plastics. Furthermore, the removal of forested land for oil extraction and pipeline construction has resulted in the release of more than 1.6 billion metric tons of carbon dioxide. This land clearing also reduces the Earth's capacity to absorb carbon dioxide, exacerbating the problem.
The global plastic industry's rapid growth, fuelled primarily by natural gas, undermines efforts to reduce carbon pollution and combat climate change. Plastic production could account for nearly one-third of the global carbon budget, and it emits four times more greenhouse gases than the airline industry. According to a 2021 analysis by Beyond Plastics, the US plastics industry will be a more significant contributor to climate change than coal-fired power in the nation by 2030.
The pervasive use of plastic in modern society has led to a plastic addiction, with plastic fibres found in clothing and microplastics in cosmetic products. As a result, plastic pollution has reached every corner of the planet, from Mount Everest to the Marianas Trench. The negative impacts of plastic pollution on the environment and human health are well-documented, and the connection between plastic and climate change is undeniable.
To address the growing plastic crisis and mitigate climate change, it is imperative to reduce plastic production and transition towards a "zero-waste" culture. This includes promoting responsible production, consumption, reuse, and recovery of materials without incineration or landfilling.
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Greenhouse gases emitted at every stage of plastic's lifecycle
Plastic is derived from fossil fuels, including natural gas and crude oil, and is part of the carbon cycle. As a result, greenhouse gases are emitted at every stage of its lifecycle, from cradle to grave. The extraction of fossil fuels, their transportation, and the manufacturing and disposal of plastics all create carbon emissions that contribute to global warming and climate change.
The extraction of fossil fuels and their transportation to plastic factories emit vast amounts of greenhouse gases. The CIEL report estimates that 12.5 to 13.5 million metric tons of carbon dioxide equivalent are emitted per year during this stage. Land disturbance and the clearing of forested land for oil extraction and pipeline construction have also released more than 1.6 billion metric tons of carbon dioxide into the atmosphere. This land clearing limits the amount of carbon dioxide removed from the atmosphere.
The refinement of plastics emits an additional 184 to 213 million metric tons of greenhouse gases each year. The production of single-use plastics, in particular, contributes significantly to these emissions. Single-use plastics are designed for one-time use, prioritizing convenience over durability, and account for half of the over 300 million tons of plastic produced annually.
The disposal of plastics is another major source of greenhouse gas emissions. Landfills, where much of the single-use plastic waste ends up, account for more than 15% of methane emissions. As plastic waste breaks down, it releases greenhouse gases, and microplastics can contaminate soil, groundwater, and the ocean, further impacting the environment and biodiversity.
The increasing global demand for plastics, driven by a growing population, improving economic conditions, and technological progress, will only exacerbate these emissions in the future. Fossil fuel companies are investing in plastic production to bolster profits, and the World Economic Forum expects plastic production to double by 2040. Without a significant shift towards reducing plastic consumption and transitioning to "zero-waste" practices, the sector's fossil fuel consumption and associated greenhouse gas emissions will continue to grow.
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Plastic waste ends up in landfills or is incinerated
Plastic waste that ends up in landfills or is incinerated has a significant impact on the climate. Landfills account for more than 15% of methane emissions, with the disposal of plastics in landfills leading to increases in landfill size and, consequently, more emissions. The CIEL report estimates that 12.5 to 13.5 million metric tons of carbon dioxide equivalent are emitted per year during the extraction and transportation of natural gas to create feedstocks for plastics in the United States. Land clearing for oil extraction and pipeline construction has released over 1.6 billion metric tons of carbon dioxide into the atmosphere, limiting the amount of carbon dioxide that can be removed from it.
Incineration, or burning plastic waste, has an even larger climate impact. Burning plastic releases thousands of pollutants, posing risks to the health of incinerator workers and people living near incineration facilities. In 2015, the climate impact of plastic waste incineration in the U.S. was about 5.9 million metric tons, equivalent to the emissions of 1.26 million passenger vehicles driven for a year. Projections from the World Energy Council indicate that if plastics production and incineration continue to increase, greenhouse gas emissions will rise to 49 million metric tons by 2030 and 91 million metric tons by 2050.
The plastic waste problem is closely tied to the global economy's reliance on fossil fuels. As 99% of plastics are derived from fossil feedstocks, the high consumption of plastics fuels the demand for petrochemical products. The refinement of plastics emits an additional 184 to 213 million metric tons of greenhouse gases annually. According to the Center for International Environmental Law (CIEL), if current trends continue, plastics will account for 20% of oil consumption by 2050.
To address the climate impact of plastic waste in landfills and incineration, a transition towards “zero waste” is recommended. This involves responsible production, consumption, reuse, and recovery of materials without relying on incineration or landfilling. Establishing a circular economy, where plastic is eliminated, reused, recycled, or composted, is key to tackling the plastic crisis and reducing its contribution to climate change.
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Plastic production is increasing globally
The global economy's reliance on fossil fuels is a significant contributor to this issue. About 4-8% of annual global oil consumption is associated with plastics, and if this trend continues, plastics will account for 20% of oil consumption by 2050. This is because more than 99% of plastics are made from fossil fuels, including natural gas and crude oil. The extraction and transportation of these fossil fuels are carbon-intensive activities, emitting an estimated 1.5 to 13.5 million metric tons of greenhouse gases annually.
The growing global population, improving economic conditions, and technological advancements will further drive plastic demand. Currently, the US and other developed nations use up to 20 times more plastic per person than developing countries, and the US produces the most plastic packaging waste per capita. Single-use plastics, which make up half of the 300 million tons of plastic produced annually, are a prime example of a throwaway society. These plastics are designed for convenience and one-time use, ending up in landfills, the ocean, or incinerated, contributing to climate change and environmental degradation.
To address the problem, a transition towards "zero waste" is recommended, emphasizing responsible production, consumption, reuse, and recovery of materials. However, this requires significant cultural shifts and individual efforts to reduce, reuse, and recycle plastic waste. While small changes can make a difference, the rapid growth of the plastic industry undermines efforts to reduce carbon pollution and prevent a climate catastrophe. As such, plastic production's increasing global trend has severe consequences for climate change, demanding urgent attention and action.
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Plastic pollution impacts biodiversity
Plastic pollution is a pressing issue that negatively affects biodiversity and ecosystems worldwide. With an estimated global production of 390.7 million metric tons of plastic in 2021, the pervasive presence of plastic has significant implications for the environment. At least 14 million tons of plastic end up in the ocean annually, constituting 80% of all marine debris, from surface waters to deep-sea sediments. This plastic pollution has far-reaching consequences for marine life and ecosystems.
One of the most visible impacts of plastic pollution is its ingestion by marine species, including birds, whales, fish, and turtles. These animals mistake plastic waste for food, leading to fatal blockages in their stomachs. Plastic ingestion also causes internal injuries, impairing their ability to swim or fly effectively. Additionally, plastic debris can entangle marine creatures, restricting their movement and causing harm.
Plastic pollution also affects freshwater and terrestrial ecosystems. It contaminates soil and water sources, releasing toxic chemicals that seep into the ground and run into rivers and groundwater. These pollutants have detrimental effects on both local and global biodiversity. Furthermore, plastic waste can transport invasive alien species, contributing to biodiversity loss and species extinction.
The production, incineration, and disposal of plastic contribute to climate change by emitting heat-trapping gases and greenhouse gases at every stage of their lifecycle. The extraction, refining, and production of plastics involve the use of fossil fuels, contributing to carbon emissions. Recycling plastic also has its challenges, with only a small percentage of plastic being recycled into products of similar quality, while the rest is often landfilled, leaked into the environment, or incinerated, further contributing to environmental issues.
Plastic pollution poses a significant threat to biodiversity and ecosystems, and addressing this issue requires collective action on a global scale. It is essential to recognize the impact of plastic pollution on the environment and to take measures to reduce plastic production, promote responsible consumption, and implement effective recycling practices to mitigate its effects on biodiversity.
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Frequently asked questions
Plastic is derived from fossil fuels and emits greenhouse gases at every stage of its lifecycle, from its extraction, transport, refining, and manufacture, to waste management.
The extraction of fossil fuels and their transportation to plastic factories emits 1.5 to 12.5 million metric tons of greenhouse gases. The refinement of plastics emits an additional 184 to 213 million metric tons of greenhouse gases each year. Landfills, where single-use plastics are often sent, account for more than 15% of methane emissions.
Plastic in the oceans may interfere with their capacity to absorb and sequester carbon dioxide, creating another pathway through which plastic pollution accelerates climate change.
Various ecosystems, such as the ocean and mountain areas, are particularly vulnerable to both climate change and plastic pollution. The combination of these two factors is a significant stressor on biodiversity.
The best way to reduce the impact of plastic, especially single-use plastic, on climate change is to stop using it. This can be achieved by using reusable water bottles, bags, and containers, avoiding overly packaged items, repurposing old containers, and supporting legislation and companies that aim to reduce plastic use.
