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Bioplastics – a solution or part of the problem?

10/11/2023 //  by Michelle Berridale Johnson//  2 Comments

Everyday Plastic is a social enterprise group using accessible learning and publicity campaigns to reduce the amount of plastics used daily in our society.

It was founded by its current director Daniel Webb who, having moved to Margate in Kent in 2016, was horrified to discover that there were no plastic recycling options on offer.  So horrified that he decided to collect and analyse all of his own plastic waste for a year. Believing that if everyone were to become that closely aquainted with their own plastic use they might be inspired to take action, he started Everyday Plastic on a mission to make sure that everyone of us knew exactly what we were using, why it created such a problem and what we could do about it.

Now Everyday Plastic run campaigns, do free talks in schools and have a website filled with interesting blog posts about various aspects of plastic use – and overuse. Such as the one below on bioplastics.

To browse the many other interesting posts on their blog or to sign up for regular campaign updates go to EveryDay Plastic.org

 

Are bioplastics part of the solution or part of the problem?

Bioplastics are complex, so we thought we’d try to clear up some common assumptions surrounding the terms often seen on food and drink packaging, and work out whether they help or hinder the plastic problem.

❓ What are bioplastics?
Bioplastics are an alternative to traditional fossil fuel-based plastics. They’re made from renewable resources like corn starch, sugarcane or even algae.

❓ Biodegradable
These materials will break down through the use of living organisms. However, the time it takes for them to break down can vary significantly and may still leave behind microplastics.

❓ Compostable
A subset of biodegradable plastics, compostable bioplastics break down into natural components, but rely on the correct composting conditions using high levels of heat, humidity and oxygen. They won’t break down in home compost, the sea or in landfill.

❓ Home compostable
These materials will break down in your home compost bin, along with food waste. They typically take up to 90 days, but often many more depending on size and composting conditions. Unfortunately, some products labeled as “home compostable” may still contain additives or coatings that leave behind residues.

The role of bioplastics is nuanced: they could be part of the solution to the plastic problem when used thoughtfully and when they genuinely reduce environmental impact. However, they also have the potential to exacerbate the problem when their production, use, or disposal is not carefully managed.

Bioplastic pros

  • Reduce dependency on fossil fuels: Bioplastics are made from renewable resources, reducing our reliance on petroleum-based plastics. This helps conserve fossil fuels and reduces carbon emissions.

  • Potential for biodegradability: Some bioplastics are designed to biodegrade, which can help mitigate the long-lasting environmental impact of traditional plastics.

  • Promote sustainable agriculture: The cultivation of bioplastic feedstocks like corn or sugarcane can promote sustainable agricultural practices, supporting rural communities and reducing harmful monocultures.

  • Public awareness: Bioplastics have increased consumer awareness about the environmental impact of plastics, encouraging more eco-friendly choices and sustainability discussions.

Bioplastic cons

  • Complex end-of-life scenarios: Bioplastics often require specific conditions to decompose efficiently, and not all of them are truly compostable or biodegradable. This can lead to confusion and mismanagement, potentially adding to waste problems.

  • Resource competition: The production of bioplastic feedstocks can compete with food crops, potentially driving up food prices and straining resources.

  • Limited recycling infrastructure: Many bioplastics aren’t compatible with traditional recycling systems, which can lead to contamination and the rejection of entire batches in recycling centres.

  • Misleading claims: The labelling and marketing of bioplastics can sometimes be misleading, causing consumers to believe they are making a greener choice when they might not be.

It is important to remember that all traditional plastic degrades, but it never actually disappears: it simply breaks down into smaller pieces, leaving behind microplastics. The use of bioplastics has gained significant attention in addressing the plastic problem, and whilst they are made from renewable resources and so reduce our reliance on fossil fuels, they are difficult to dispose of effectively so they are not an entirely dependable alternative yet.

To maximize their positive impact, it’s essential to consider factors like biodegradability, responsible sourcing and proper disposal methods, all while promoting a broader shift toward reducing plastic use and a circular economy.

Category: Environmental IssuesTag: Are bioplastics biodegradable?, Are bioplastics compostable?, bioplastics, Daniel Webb Everyday Plastic, Everyday Plastic, plastic pollution, single use plastic

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Reader Interactions

Comments

  1. Michaela Rose

    20/11/2023 at 11:47

    Laudable as it really is environmentally-speaking, it is making life even harder for us corn-sensitives. I am now having to check supplement and food packaging even more for cornyness for myself and patients. Often, when I ask, they are not really aware of what it is made from or whether there is transfer into food.

  2. Michelle Berridale Johnson

    20/11/2023 at 12:11

    Can absolutely see that Micki – and to be honest I am not sure how wonderful it is even from an environmental point of view. There were a lot of provisos even in that piece.

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