SEATTLE (Scrap Monster: Recycling plastic can make it more toxic and should not be considered a solution to the pollution crisis, Greenpeace has warned before the latest round of negotiations for an international plastics treaty.
“Plastics are inherently incompatible with a circular economy,” the global environmental network said in a report that brings together research showing recycled plastics are more toxic than their virgin constituents.
The report, timed to coincide with the beginning of fresh talks for a potential global plastics treaty, comes as separate research has found breaking down plastics for recycling scatters microplastic pollution into the environment.
Representatives from 173 countries last year agreed to develop a legally binding treaty covering the “full lifecycle” of plastics from production to disposal, to be negotiated over the next two years.
Next week they are due to meet in Paris, for talks that have already been criticised for excluding communities in developing countries harmed by dumping and burning of plastic waste, as well as marginalised waste pickers, who are crucial to recycling.
Without those voices, the fear is that negotiations will be swayed by corporate interests. “The plastics industry – including fossil fuel, petrochemical and consumer goods companies – continues to put forward plastic recycling as the solution to the plastic pollution crisis,” said Graham Forbes, who leads Greenpeace USA’s global plastics campaign.
“But … the toxicity of plastic actually increases with recycling. Plastics have no place in a circular economy and it’s clear that the only real solution to ending plastic pollution is to massively reduce plastic production.”
Since the 1950s about 8bn tonnes of plastic has been produced. The Greenpeace report catalogues peer-reviewed research and international studies showing not only that just a tiny proportion (9%) of plastics are ever recycled, but also that those that are end up with higher concentrations of toxic chemicals, multiplying their potential harm to human, animal and environmental health.
Recycled plastics, the report says, often contain higher levels of chemicals such as toxic flame retardants, benzene and other carcinogens, environmental pollutants including brominated and chlorinated dioxins, and numerous endocrine disruptors that can cause changes to the body’s natural hormone levels.
Waste plastics earmarked for recycling are typically exported from high-income countries to poorer parts of the world
Dr Therese Karlsson, a science adviser with the International Pollutants Elimination Network (IPEN), said: “Plastics are made with toxic chemicals, and these chemicals don’t simply go away when plastics are recycled. The science clearly shows that plastic recycling is a toxic endeavour with threats to our health and the environment all along the recycling stream.
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