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The proliferation of single-use plastic around the world is accelerating climate change and should be urgently halted, a report warns.


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Plastic production is expanding worldwide, fuelled in part by the fracking boom in the US. The report says plastic contributes to greenhouse gas emissions at every stage of its lifecycle, from its production to its refining and the way it is managed as a waste product.

This plastic binge threatens attempts to meet the Paris climate agreement. It means that by 2050 plastic will be responsible for up to 13% of the total “carbon budget” – equivalent to 615 coal-fired power plants – says the research published on Thursday.

“After the extraction of fossil fuels to produce plastic, the carbon footprint of a material which has become ubiquitous across the globe continues through the refining process, and on well past its useful life as a drinks bottle or plastic bag, through the way it is disposed of and the plastic afterlife,” the report says.

The authors say disposable plastic found in packaging and fast-moving consumer goods forms the largest and fastest-growing segment of the plastic economy.

They are calling for urgent action to stem production and flow of throwaway plastic.

“At current levels, greenhouse gas emissions from the plastic lifecycle threaten the ability of the global community to keep global temperature rise below 1.5C,” the report says.

Throwaway plastic packaging makes up 40% of the demand for plastic, fuelling a boom in production from 2m tonnes in the 1950s to 380m tonnes in 2015. By the end of 2015, 8.3bn metric tonnes of plastic had been produced – two-thirds of which has been released into the environment and remains there.

“Packaging is one of the most problematic types of plastic waste, as it is typically designed for single use, ubiquitous in trash, and extremely difficult to recycle. A constant increase in the use of flexible and multilayered packaging has been adding challenges to collection, separation, and recycling,” the researchers said.

Forty per cent of plastic packaging waste is disposed of at sanitary landfills, 14% goes to incineration facilities and 14% is collected for recycling. Incineration creates the most CO2 emissions among the plastic waste management methods.

Nearly all plastic – 99% – is made from fossil fuels.

Refining the material is the most greenhouse gas intensive part of the plastic lifecycle, and major expansions in the US and elsewhere will accelerate climate change, the report says.

A Shell ethane cracker being constructed in Pennsylvania could emit up to 2.25m tonnes of CO2 each year and a new ethylene plant at ExxonMobils refinery in Baytown, Texas, could release up to 1.4m tonnes. The annual emissions from just these two new facilities would be equal to adding almost 800,000 cars to the road, the report says.

In 2019 the lifecycle of global plastic production – from extraction to disposal – was equivalent to the impact on the climate of 189 500MW coal-fired power stations. By 2050, the report predicts, the global plastic footprint will be equivalent to 615 coal plants running at full capacity.

“Plastic is among the most significant and rapidly growing sources of industrial greenhouse gas emissions,” the report says. “Emissions from plastic emerge not only from the production and manufacture of plastic itself, but from every stage in the plastic lifecycle – from the extraction and transport of the fossil fuels that are the primary feedstocks for plastic, to refining and manufacturing, to waste management, to the plastic that enters the environment.”

Carroll Muffett, one of the authors, said: “It has long been clear that plastic threatens the global environment and puts human health at risk. This report demonstrates that plastic, like the rest of the fossil economy, is putting the climate at risk as well.”

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