This could have a detrimental effect on health, the economy, biodiversity and climate, according to an estimate released ahead of the United Nations Conference on Climate Change (COP26) in early November.
In addition, the report emphasizes that plastic is a climate problem and that the drastic reduction of these materials is urgent to address the global pollution crisis.
The study estimates that plastics will produce 1.7 gigatons of carbon dioxide in 2015, and that number is projected to increase to about 6.5 gigatons by 2050.
The authors of the research rejected the possibility that recycling was a way out of this problem and warned against harmful alternatives such as biodegradable plastic.
The report says that to reduce waste to the required level, conversion to renewables should be accelerated, fossil fuel subsidies should be eliminated and circular approaches should be adopted.
The report, released by the United Nations Environment Program, advocates for the immediate reduction of plastics and for promoting a shift across the value chain of that material.
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