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Despite its endless qualities, not all glass varieties can be collected in your household recycling.

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5 ways you can help close the glass loop

We all have a part to play in building a more sustainable world, starting with how we shop, all the way down to how we get rid of our rubbish. This summer, organisations involved in all stages of the glass collection and recycling value chain have launched Close the Glass Loop – a major glass recycling action plan for Europe.

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About Friends of Glass

Friends of Glass is a community that supports all things glass packaging, as part of a more intentional lifestyle that starts with our everyday choices.

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Learn why we love glass, and why we’re dedicated to promoting its numerous benefits to people all over the world.

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These days, information is everywhere: countless new reports, infinite scrolls, and eye-catching ads about new products, innovations and packaging options, wherever we look. So how can we separate the facts from the fiction to know: what packaging option is best for me, my health and the environment? 

We’re here to clarify some of the most common misconceptions about glass, and packaging overall, to help you make more informed decisions next time you visit the supermarket. 

 

Bringing clarity to circularity  

You’ve probably heard the term “circular economy” before, but do you know what it means? The circular economy is a production and consumption model that aims to extend a product’s life cycle for as long as possible – whether through recycling, reusing or even repairing – to avoid making new products from scratch. For protecting the food, drinks, medicines and beauty products that we rely on every day, in a way that doesn’t create endless waste, transitioning towards circular packaging is key. 

But let’s dive deeper! What does it mean for packaging to be recyclable, and does that translate to effective recycling at the end of its life? What are the differences between recycling and reuse schemes, and which one is the best way forward for glass? Continue reading to find out some of the most common misconceptions about circularity in packaging. 

Uncover the myths

These days, all packaging materials are recyclable

Just because it can be recycled doesn’t mean it is. Despite increasing claims about the growing recyclability of packaging, not all materials are collected for recycling, and even fewer are effectively recycled once they’ve been thrown away.

 

Unlike glass, many types of food and drink packaging have multiple layers that combine paper, plastic and synthetic materials (e.g. waterproof linings). The difficulty of separating these materials means that many collection systems do not allow them, and in reality they end up in landfill or are incinerated. When it comes to recycling effectively and safely throughout the recycling process, very few packaging materials compare to glass – that’s why other packaging is ‘downcycled’ by being recycled into fashion items, printing fibres or furniture or textile components – and in time, end up in landfill or incineration.

 

  • Plastic, for example, is a very complex material, which makes it hard to recycle directly into other bottles as the materials degrade over time. As a result, more plastic waste is incinerated than recycled in Europe 1.
  • While PET bottles may seem more recyclable than conventional plastic, the average PET bottle in Europe only contains 17% recycled content2 (compared to 52% for glass 3), and with a much lower collection rate (61% in 20204).
  • Other materials require additional linings, like paper-based packaging, which is almost always combined with plastic and/or chemical composites to add water or grease resistance, lowering its recyclability. This increases the likelihood of such materials ending up in landfills or incinerations, making paper-based packaging the largest source of packaging waste in the EU 5.

 

Recycled glass is the only packaging that can be recycled back into ‘food-grade’ containers. It maintains the same quality and inertness as virgin glass and requires no additional materials or harmful chemicals during the recycling process. What’s more, glass is the leader in recycling, with extensive collection systems that bring an impressive 80.2% EU collection rate 6, of which 92% is effectively recycled in Europe in a closed loop 7. It’s not a question of what we can recycle, but what is recycled, in a way that’s effective, safe for our health and limits environmental impact.

 

Reusing or returning glass containers is always a better option than recycling them.

From doorstep milk deliveries delivered fresh from the farmer to Germany’s returnable beer bottles, reusable glass options have been a reality for decades, thanks to their durability and safety. But, although you may think that reusing or returning glass bottles or jars is the best option, that’s not always the case. It all comes down to context.

 

Reuse schemes can be efficient within short or localised supply chains, like farmers’ markets or doorstop milk deliveries. Yet, for product categories that cover long transport distances, the panorama changes. Studies have found that when distribution chains exceed 400km1, a reusable glass bottle would need to be reused at least four times in order to match the environmental impact of single-use bottles. This number rises to over 30 cycles for distances surpassing 800km or more2.

 

Glass recycling systems are already widespread in Europe and adopted by citizens. Municipal initiatives and European programmes like Close the Glass Loop aim to continuously improve glass recycling and achieve a 90% collection rate by 2030. By collecting more and better glass, we can replace more virgin materials with recycled glass – giving a bottle ‘endless’ lives, and supporting lower-carbon production.

 

  1. European Court of Auditors: EU Action to tackle the issue of plastic waste, 2020.
  2. Zero Waste Europe, How Circular is PET, 2022.

 

Weighing up the environmental impact

In an ever-changing world, it’s up to us to make healthier choices and promote a more harmonious coexistence with the planet. And when it comes to packaging, assessing its impact on the environment cannot be overlooked.

So, what is the glass industry doing to reduce its environmental footprint and decarbonise glass? And where does it stand compared to other packaging materials?

Uncover the myths

Glass packaging has a much higher carbon footprint, and is slow to decarbonise.

The container glass industry is changing – and fast. Future-proof packaging needs to protect people’s health, contribute to the circular economy, and emit net zero carbon emissions. We know our carbon footprint remains our main stumbling block as an industry, and we’re working on it. The good news is that we’re not starting from scratch.

 

Today, the average glass container already emits 70% less CO2 than fifty years ago1, and we’re picking up the pace. All across Europe, glassmakers are starting up electric and hybrid furnaces, switching to low-carbon sources of energy like hydrogen and biomass, working with the world’s best-known brands to successfully trial hydrogen technologies  and deliver lighter weight bottles and jars.2  

 

Several companies have already pioneered initiatives to reduce carbon emissions from glass melting, which accounts for 80% of CO₂ emissions in production – from hybrid furnace technologies in Germany to electric furnaces for luxury packaging in France. In tandem, we’re increasing energy efficiency, investigating carbon capture and storage, and applying waste-heat recovery and other energy-efficient technologies. Every year, more than €600 million is invested in decarbonisation paths.3

 

To address the remaining 20% of emissions from the use of raw materials, the industry is promoting recycling and encouraging people to recycle more and better. Once produced, used and properly collected for recycling, a glass bottle or jar can be remelted and becomes the main resource needed to produce new bottles and jars.4 Every tonne of recycled glass saves 1.2 tonnes of raw materials 5, and the more recycled glass we put into production, the more resources we save!

 

  1. Based on 2023 analysis by Conseil national de l’industrie, Feuille de route de décarbonation de la filière « filière Verre.
  2. For more information on the industry’s decarbonisation efforts, refer to www.feve.org.
  3. FFEVE calculations as of July 2024.
  4. The average recycled content of glass containers in the EU was assessed during a FEVE Life Cycle Assessment in 2012. Source: FEVE, Recycled content and glass packaging, 2019.
  5. Based on a FEVE LCA study from December 2016, available here.

Glass packaging is heavy and hard to transport.

Glass can be moulded into any shape and comes in a wide variety of colours, allowing for creative designs, while keeping our favourite products safe. Although it might be heavier than other materials, the industry is partnering up with brands, customers, and the supply chain to ensure that glass bottles are not just lighter in weight, but just the “right weight”.

 

“Right-weighting” refers to the process of reducing the amount of glass needed to make containers while maintaining all aspects of its functionality (e.g. design, strength, quality). Efforts to deliver lighter glass packaging have already resulted in a decrease in the average bottle weight for still wines produced in Europe to 450g in 20231.

 

When it comes to transportation, the glass industry in Europe is still a very local business, with most containers being transported within a 300 km distance2. Although transportation only accounts for a small part of glass’ footprint, the industry is exploring alternatives like short-sea shipping, low-carbon fuels, and electric vehicles, to reduce its impact.

 

All these efforts ensure that we can continue to enjoy iconic designs that have inspired generations of glass lovers, while respecting our commitment to lowering the carbon footprint of glass.

 

  1. FEVE/Syntesia, 2023 Food & Beverage Container Glass Market Statistics, Annual Report 2023, 2024. Unpublished confidential document, available to FEVE member companies only.
  2. EY, The European Container Glass Federation (FEVE) Environmental, social and economic contribution of the Container Glass sector in Europe, 2015

Putting health first

When you think about packaging sustainability, what comes to mind? The concept of sustainability can be difficult to grasp, but it encompasses not only environmental concerns, but also health and well-being – our own, our families, ecosystems and society.

With new products and packaging formats coming onto the market every day, it can be challenging to understand which ones prioritise health and well-being.

Uncover the myths

If a product’s packaging is put on the market, it’s because it’s safe for me to use.

We are what we eat, and that includes the packaging. That’s why chemicals from packaging are now found in our bodies from birth1. While glass is a single-layer materialmade entirely from natural ingredients, the same cannot be said of other types of packaging. Even when recycled over and over again, glass maintains its quality and inertness, meaning there is no risk of it releasing toxic chemicals into food, drink, or even the environment3.

 

Other materials, such as plastics, degrade during recycling and break down into microplastics that can end up in the environment and contaminate your food, causing adverse health effects4. Even supposedly ‘safer’ alternatives, like paper-based materials, often come with plastic linings and chemical compounds that make them difficult to recycle (making them the largest source of packaging waste in the EU5) and containing toxic chemicals that can interact with food and drink6.

 

We all want to be part of building a more circular economy, but this should never be at the expense of our health.

 

  1. Guardian, Microplastics found in human blood for first time, March 2022; Guardian, PFAS left dangerous blood compounds in nearly all US study participants, October 2022, Guardian, ‘Forever chemicals’ detected in all umbilical cord blood in 40 studies, September 2022
  2. Understanding Packaging (UP) Scorecard
  3. Dieter Schrenk, Literature report on food packaging materials and their potential impact on human health, 2014. Available at: https://content.presspage.com/uploads/1081/profschrenk-foodpackagingmaterials_final.pdf
  4. Food Packaging Forum, Factsheet on Bioplastics, 2022
  5. European Commission packaging waste statistics, updated October 2023
  6. Food Packaging Forum, e.g. https://www.foodpackagingforum.org/fccmigex, https://www.foodpackagingforum.org/fpf-2016/wp-content/uploads/2022/09/Fact-Bite_2022.08.23_Paper-800×450.png

All packaging protects products and keeps them just as fresh.

In the quest for a more holistic lifestyle, people are prioritising their health and well-being more than ever before. And when it comes to glass, studies show that people prefer glass not only for its recyclability, but also for its health and food preservation properties1.

 

Unlike other materials, glass is an inert contact material. It’s a single layer material, and it doesn’t absorb or release harmful chemicals into products2, making it a safer option for people’s health. It retains these qualities even when recycled again and again.

 

Other alternatives, like aluminium, might need extra polymer coatings to prevent interaction with food, which could affect taste and cause unwanted chemicals to migrate into the food3. For example, some canned wines exhibit “reducing” properties after three to six months in the can. Plastic packaging containers degrade during the recycling process and can break down into microplastics that can leach into our food and drinks, which can affect their taste and lead to harmful health effects4. But when it comes to glass, you can be sure that the packaging stands for quality – inside and out.

 

  1. e.g. InSites, 2022, InSites Consulting/FEVE, 2017 survey on consumer perceptions of glass.
  2. Understanding Packaging (UP) Scorecard
  3. Food Packaging Forum, Metal Reuse Factsheet.
  4. Food Packaging Forum, Factsheet on Bioplastics, 2022.

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