Scientists call for a plastic cap

plastics waste cap asia

Plastics everywhere

Ever visit a 7-11 in Thailand? Or a convenience store anywhere in the world? How about the middle aisles of every grocery store? Single bananas wrapped in plastics. Refined foods, sub-divided, then wrapped. Single cookies. Single candies. Single everything in a plastic coating in a plastic bag in a plastic lined box. How long can this go on? Climate scientists call for a plastic diet, asking governments to cap production. 

An international group of experts says the production of new plastics should be capped to solve the plastic pollution problem. The authors argue that all other measures won’t suffice to keep up with the pace of plastic production and releases. The letter was published in the journal Science.

plastic soup, boy with plastic heap at sea

Plastic Soup draws an atlas of plastics and where they are accumulating around the world.

Capping production of new plastics, the authors implore, will help cut their release to the environment — and the release of dioxins, PVC, Bisphenol A— and brings other benefits, from boosting the value of plastics to helping tackle climate change., the scientists write in their plea. 

The letter comes two months after the United Nations’ historic decision to adopt a global treaty to end plastic pollution, and governmental negotiations on the agreement are set to begin on May 30. These will foster intense debates on what kind of measures will be needed to end the pollution of the air, soils, rivers and oceans with plastic debris and microplastics. Microplastics are in the air we breathe. Microplastics are teaming up with other toxins for an additive effect. Microplastics are found in baby faeces. Microplastics are linked to Covid problems

How do we stop microplastics?

Regulating, capping, and in the long term phasing out the production of new plastics.

“Even if we recycled better and tried to manage the waste as much as we can, we would still release more than 17 million tons of plastic per year into nature,” says Melanie Bergmann of the German Alfred-Wegener-Institute, the initiator of the letter. “If production just keeps growing and growing, we will be faced with a truly Sisyphean task,” she adds.

gold dust graduation from Walmart

The gold dust bought at Walmart may make your graduation photo pretty. But one blow and it’s forever cycling as microplastics that will get into our lungs.

Research published in Science in 2020 shows that plastic emissions can only be cut by 79 per cent over the next 20 years if all solutions available today are implemented, including replacing some plastics with other materials, and improved recycling and waste management.

“The exponentially growing production is really the root cause of the problem, and the amounts of plastics we have produced thus far have already exceeded planetary boundaries,” says Bethanie Carney Almroth of the University of Gothenburg, Sweden. “If we don’t tackle that, all other measures will fail to achieve the goal of substantially reducing the release of plastic into the environment,” she said.

Why we should plastics in feeding animals

Phasing out the production of new plastics from fresh feedstocks should be part of a systemic solution to end plastic pollution, the experts from Canada, Germany, India, Norway, Sweden, Turkey, the UK and the U.S. argue. This approach is supported by the best science available today and in line with what political and legal experts proposed in Science last year.

Along with measures to address the consumption and demand side of the problem — such as taxes — a comprehensive approach must also cover the supply side, meaning the actual amount of plastics produced and put on the market.

Gradually cutting the production of new plastics will come with many societal, environmental and economic benefits, the scientists say.

Sedat Gündoğdu of the Cukurova University, Turkey, says “The massive production also feeds the plastic waste transfer from the Global North to the South. A production cap will facilitate getting rid of non-essential applications and reduce plastic waste exports.”

“We gain a lot of benefits from plastics but reducing production will increase the value of plastics, boost other measures to curb plastic pollution, help tackle climate change and promote our transition to a circular and sustainable economy,” adds Martin Wagner, an ecotoxicologist at the Norwegian University of Science and Technology.

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