The world is producing twice as much plastic waste as two decades ago, with the bulk of it ending up in landfill, incinerated or leaking into the environment. In this Horizons, we look at ways to reduce plastic waste through regulation and technological improvements.
Fighting single-use plastics
Even though governments around the world are banning single-use plastic products (for instance bags), plastic pollution remains an urgent environmental threat. As the Plastic Waste Makers Index shows, worldwide single-use plastic waste keeps increasing. Single-use plastics are still almost entirely made from fossil fuel-based polymers, causing not only pollution but also contributing to greenhouse gas emissions. Meanwhile, according to the report, the top-20 petrochemical companies that produce these polymers lack in recycling efforts. With the industry taking little responsibility, other measures are needed. One way is to make producers pay through extended producer responsibility (EPR) laws, which can improve recycling rates by 60-75%. Another solution could be (more) regulation. While rich countries have contributed to the problem by exporting their plastic waste, recently the European Parliament has proposed to ban the export of plastic waste to non-OECD countries. In addition, the United Nations is negotiating a treaty to end global plastic pollution. In this process, the European Union is playing a leading role in setting a global standard. The Brussels effect may once again proof its worth.
Broaden Your Horizons
- Many countries ship plastic waste overseas. This article looks at the scale of plastic waste trade, and how it contributes to the pollution of the oceans.
- Research into sun and heat-deflecting technologies to tackle climate change are proceeding at a rapid pace around the globe. The United Nations Environment Programme (UNEP) investigated their potentials and dangers.
- The age-old truism that millennials have it worse than their parents is not true. What did change is how they accumulated wealth.
With governments around the globe setting rules to deal with plastic pollution, the search is on for recycling improvements and plastic alternatives. Today, recycling is still costly and difficult because different types of plastics may be combined in products, making it harder to recover them. In addition, each time plastic is melted the quality declines. Nevertheless, improvements in the recycling process can tackle these issues. Solutions such as Recycleye’s AI-powered waste-picking robots help lower sorting costs, while technologies such as chemical recycling can improve the recycling of difficult waste streams that contain a mix of materials (e.g. clothes). Companies are also exploring alternative materials for the plastics we use in clothing, packaging, and other products. Renewable chemistry company Avantium developed a process to create bio-plastics from plants, while companies such as Ecovative, MycoWorks, and Boltthreads use mycelium (the root structure of mushrooms) to create mushroom leather or compostable packaging. A third solution direction is reuse or longer use; each time we use the same plastic bag, the environmental impact is reduced. With these three solutions, plastics can become less throw-away and more sustainable.
Horizons is a bi-monthly Dasym Research initiative to show you how the Dasym themes have been in the news. We publish the Horizons on our website and as an email newsletter. If you wish to receive the email, sign up here.
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