Exploring the Sustainability of Soda Packaging: Plastic vs. Aluminium vs. Glass
As consumers become more environmentally conscious, the drinks industry is facing increasing pressure to adopt sustainable packaging solutions. At Gunna Drinks, we're leading the charge by championing sip-and-reseal aluminium bottles for our functional lemonades. Our mission is to rid the industry of harmful plastic bottles and promote eco-friendly alternatives.
In this blog post, we delve into the environmental implications of different soda packaging materials – plastic, aluminium, and glass – exploring their production processes, disposal methods, and overall impact on our planet's well-being.
The Environmental Toll of Plastic Bottles
Lightweight, durable, and cheap to produce, plastic bottles have become ubiquitous in the beverage industry. However, their convenience comes at a severe environmental cost:
- Fossil Fuel Dependence: Plastic bottle production requires extracting petroleum or natural gas, contributing to greenhouse gas emissions. The U.S. plastics industry alone was responsible for over 232 million tonnes of CO2 emissions in 2020, while in the UK, plastic production produced 3.32 million metric tons of CO2 emissions in 2021.1, 2
- Plastic Pollution Crisis: With over 600 billion plastic bottles generated by the beverage industry in 2021, a staggering 25 million tonnes of plastic waste will persist for generations due to its extremely slow decomposition rate of over 500 years.3, 4
- Abysmal Recycling Rates: Only 16% of all plastic ever produced has been recycled, with 25% incinerated and a shocking 59% accumulating in landfills, dumps, or the natural environment.5
- Microplastic Contamination: As plastic degrades, it releases harmful microparticles that pollute our oceans, harm wildlife, and eventually make their way into our food and drinking water. The average human now ingests a credit card's worth of plastic waste each week, a potential carcinogen.6,7,8
The Drawbacks of Glass Bottles
While glass bottles may seem like a more sustainable option, they too have significant environmental drawbacks:
- Energy-Intensive Production: Mining raw materials like silica, soda ash, and limestone for glass production releases pollution into the air. The high-temperature melting process also consumes significant amounts of energy, often from fossil fuels, contributing to greenhouse gas emissions.9
- Heavy Transportation Footprint: Glass bottles are much heavier than their plastic or aluminium counterparts, requiring more fuel for transportation and resulting in higher carbon emissions.10
- Recycling Emissions: The process of recycling glass also uses up a lot of energy due to the high temperatures needed to melt down the material, producing more greenhouse gas emissions.10
The Sustainable Solution: Aluminium Cans and Bottles
At Gunna Drinks, we believe aluminium is the most planet-friendly and human-friendly alternative for soda packaging. Here's why:
- Highly Recyclable: Aluminium is one of the most recyclable materials on the planet and can be recycled indefinitely without losing quality. The current global recycling rate for aluminium is an impressive 76%, a vast improvement over plastics' 16%.8,9Â
- Energy Efficient: Making aluminium cans and bottles from recycled materials uses a whopping 95% less energy than producing them from raw bauxite ore.8
- Lightweight Transportation: Aluminium packaging is lighter than glass, making transportation cheaper and more eco-friendly by reducing fuel consumption, especially over long distances.
- Travel Durability: Unlike fragile glass bottles, aluminium cans and bottles are less likely to break during transportation and handling, reducing waste and the risk of accidents.
- Chemical Inertness: Aluminium is a non-reactive metal that won't contaminate your drinks with harmful chemicals, ensuring your safety.
- Microplastic-Free: Unlike plastic, aluminium doesn't break down into harmful microparticles that pollute the environment and harm human health.
Pros and Cons Compared
Plastic Bottles | Aluminium Cans/Bottles | Glass Bottles |
---|---|---|
Lightweight and durable |
Lightweight and durable |
 Durable but heavy to transport leading to higher carborn emissions. |
Cheap to produce |
 More expensive to produce initially, |
Moderately expensive |
Contributing to fossil fuel extraction and greenhouse gas emissions |
Infinitely recyclable, reducing resource extraction |
Energy-intensive production process |
 Very low recycling rates (around 9%-16%) |
High global recycling rate (76%) |
High global recycling rate (75%) |
Plastic pollution and microplastics harm the environment |
Minimal environmental waste |
Potential for pollution from mining and processing |
Cannot be endlessly recycled |
 Can be recycled indefinitely without losing quality |
Can be recycled indefinitely |
Potential to leach harmful chemicals into drinks |
Chemically inert and safe for beverages |
Generally safe for beverages |
The Takeaway: Aluminium Is the Clear Winner
Plastics are especially harmful when it comes to greenhouse gas emissions and energy consumption due to very poor recycling rates and energy-intensive production processes. Aluminium cans and bottles contribute far less to environmental waste and harmful global warming emissions than plastic. They're also infinitely recyclable!
While glass bottles are infinitely recyclable and generally safe for beverages, their production process and transportation contribute significantly to greenhouse gas emissions and energy consumption. Additionally, their recycling rates are relatively low.
At Gunna Drinks, we're committed to leading the charge towards a more sustainable future for the drinks industry. By championing sip-and-reseal aluminium bottles for our functional lemonades, we're taking a stand against the harmful effects of plastic bottles and promoting a more eco-friendly alternative to glass bottles.
Join us in our mission to sip responsibly, recycle like champions, and embrace an eco-friendly approach to business. Together, we can make a positive impact on our planet, one sustainable sip at a time.
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Sources
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The New Coal: Plastics and Climate Change. (2021, October). Beyond Plastics. https://www.beyondplastics.org/plastics-and-climate ↩
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Statista: Carbon dioxide emissions from the manufacture of plastic products in the United Kingdom from 1990 to 2021. (2023, June). Statista. https://www.statista.com/statistics/485966/co2-emissions-from-the-manufacture-of-plastic-products-uk ↩
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Bouhlel, Z., Köpke, J., Mina, M., & Smakhtin, V. (2023, March 16). Global Bottled Water Industry: A Review of Impacts and Trends. United Nations University Institute for Water, Environment and Health. https://inweh.unu.edu/global-bottled-water-industry-a-review-of-impacts-and-trends/ ↩
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Ramirez, R. (2023, March 16). The plastic water bottle industry is booming. Here's why that's a huge problem. CNN. https://www.cnn.com/2023/03/16/world/plastic-water-bottles-un-report-climate/index.html ↩
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United Nations Environment Programme: Plastic Planet: How tiny plastic particles are polluting our soil, https://www.unep.org/news-and-stories/story/plastic-planet-how-tiny-plastic-particles-are-polluting-our-soil ↩
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In Images: Plastic is Forever. (2021, June). United Nations. https://www.un.org/en/exhibits/exhibit/in-images-plastic-forever ↩
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Carrington, D. (2022, October 7). Microplastics found in human breast milk for the first time. The Guardian. https://www.theguardian.com ↩
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Brock, A., & Williams, I. (2020, November 17). Ranked: the environmental impact of five different soft drink containers. The Conversation. https://theconversation.com/ranked-the-environmental-impact-of-five-different-soft-drink-containers-149642 ↩ ↩2 ↩3
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Brock, A., & Williams, I. (2020, November 17). Ranked: the environmental impact of five different soft drink containers. The Conversation. https://theconversation.com/ranked-the-environmental-impact-of-five-different-soft-drink- ↩ ↩2