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Published: Wednesday, April 20, 2022 - 10:59 (ISO: Geneva)--On March 2, 2022, at the United Nations Environment Assembly in Nairobi, Kenya, senior representatives from 175 countries backed a groundbreaking resolution to stop plastic pollution. This will result in a legally binding, international agreement by the end of 2024, aiming to make all plastics sustainable. Plastics, especially single-use plastics, have often made international headlines—and with good reason. According to the U.N., the world and its oceans are being “swamped” by plastics. The Ellen MacArthur Foundation reports that by 2050 there will be more plastic in the oceans than fish. Although plastic-strewn oceans get the most attention, the U.N. Food and Agricultural Organization (FAO) points out that plastics in soil threaten human health and food security. Last December, the FAO published a striking report, “Assessment of agricultural plastics and their sustainability: a call for action,” which described in detail how a multitude of agricultural plastics, especially microplastics, find their way into the food chain. So how large is the problem? Plastics have been around since about 1950 and, that year, their production resulted in about two million metric tonnes (MT) of plastic pollution. By 2020, the exponential growth in plastic production increased that figure to about 400 MT. At this rate, plastic production is expected to double by 2040 and increase 2.5 times by 2050. Unless we change how we make and manage plastics, the problem of plastic pollution will keep on growing. In theory, plastics should be readily recycled or at least reused. Yet, according to the Organisation for Economic Co-Operation and Development (OECD), less than 20 percent of all plastics are recycled, leaving more than 80 percent of plastics at large in the environment. The OECD, in turn, has characterized the global market for plastics as dysfunctional because of the growing mountain of plastic waste and very low rates of recovery, reuse, and recycling. The life cycle of plastics also contributes to global warming. According to the 2021 U.N. report “From Pollution to Solution: a global assessment of marine litter and plastic pollution,” plastics contributed to about 4 percent of global warming in 2015. This is expected to reach 15 percent by 2050, threatening our aims to reach the targets to reduce emissions of greenhouse gases. When considered in the context of the recent Sixth Assessment Report from the Intergovernmental Panel on Climate Change (IPCC), and the IPCC’s dire predictions for climate change impacts if we don’t act now, the unconstrained growth in single-use plastics presents a massive threat. But it’s also a huge opportunity if we address it through better design, reuse, and recycling of plastics. The U.N.’s legally binding agreement to counter the extreme environmental impacts and risks from plastics took place two weeks before Global Recycling Day and aims to counter the multiple risks of plastics. The U.N. intends to address the whole life cycle of plastics, requiring that plastics be designed for reuse and recycling, and signaling an end to single-use plastics. Standards are critical in putting an end to the world’s throwaway economy. “ISO standards are enablers and could even be a driver for new markets in a forthcoming circular economy,” says Achim Ilzhöfer, the global circular economy manager for Covestro AG and chair of the group of standards developers in ISO responsible for the environmental aspects of plastics. Plastics are many and diverse, and the methods of production as complex as the markets they serve. This is where standardization can play an important role, specifying characteristics for plastics and their supply chains to make them sustainable. “ISO standards could specify on an international level how information between value chain partners might be exchanged better while protecting intellectual property, and how material use could be moved away from a linear to a circular economy,” he says. The same applies to material recovery and recycling technologies. ISO standards and technical reports are well placed to promote the development of specific material recycling streams and best available technologies on a global basis. “The role of ISO standardization is to catalyze markets and connect loose ends to make economies globally more efficient and sustainable,” says Ilzhöfer. As a manager responsible for the circular economy for a polymers manufacturer, Ilzhöfer appreciates the benefits of standardization. “From the beginning of my scientific career, I’ve been able to see how standards make life easier between our suppliers, ourselves, and our customers. Purely from a consumer perspective, they offer the chance to compare, in a standardized and credible way, which products are more sustainable,” he says. As both a practitioner in the plastics sector and a developer of international standards, Ilzhöfer is motivated to find solutions and promote the standardization of sustainable production and consumption of plastics. “ISO standards can provide solutions to critical challenges, such as the improper handling of plastic waste and its consequent environmental impacts, for instance in the area of microplastics,” he says. Calls for a more circular plastics economy include proposals for improved standards on issues ranging from recyclability and recycled content of plastics to biodegradability and reusability. Ilzhöfer can point to numerous ISO standards that have fostered sustainability in plastics. ISO 15270:2008, “Plastics—Guidelines for the recovery and recycling of plastics waste,” is one example. “This standard sets the framework for the development of further standards and specifications on plastics waste recovery, including recycling – a way to close the loop,” he says. Ilzhöfer and his peers within ISO working groups also aim to develop further standards to catalyze sustainable plastics development and use. To increase recycling rates, we need to improve the collection and separation of plastics, and hence the identification of plastics in products arriving on the waste markets, Ilzhöfer says. Standards in the area of design for recycling, track-and-trace solutions, and waste management are the basis for an ecologically and economically viable recycling phase. Additionally, Ilzhöfer is also certain that the standardization of waste-based feedstocks for different recycling technologies will immediately support the global market development for increasing the rate of recycling. “Since the first recovery and recycling standard in 2008, new, more-efficient chemical recycling processes have been developed. From here onwards, further standardization will support the global implementation of recycling facilities to increase the recycling rate of plastics,” he says. Quality Digest does not charge readers for its content. We believe that industry news is important for you to do your job, and Quality Digest supports businesses of all types. However, someone has to pay for this content. And that’s where advertising comes in. Most people consider ads a nuisance, but they do serve a useful function besides allowing media companies to stay afloat. They keep you aware of new products and services relevant to your industry. All ads in Quality Digest apply directly to products and services that most of our readers need. You won’t see automobile or health supplement ads. So please consider turning off your ad blocker for our site. Thanks, The International Organization for Standardization (ISO) is the world’s largest developer and publisher of international standards. ISO is a network of the national standards institutes of 162 countries, one member per country, with a Central Secretariat in Geneva, Switzerland, that coordinates the system. ISO is a nongovernmental organization that forms a bridge between the public and private sectors. ISO enables a consensus to be reached on solutions that meet both the requirements of business and the broader needs of society. View the ISO Standards list.Rethinking the Future of Plastics
Standards for plastics enjoy a privileged status
Plastic by the numbers
Toward a circular economy
Solutions in standards
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