Plastic pollution is surging, so what are governments doing?

Climate activists march to demand stronger global commitments to fight plastic waste in Busan, South Korea, November 23, 2024. REUTERS/Minwoo Park
explainer

Climate activists march to demand stronger global commitments to fight plastic waste in Busan, South Korea, November 23, 2024. REUTERS/Minwoo Park

What’s the context?

U.N. talks fail to produce a global plastics treaty in South Korea as waste levels become unmanageable

  • U.N. negotiations fail to agree global plastics treaty

  • Plastic consumption could double by 2050 in the G20

  • Bans, taxes and larger corporate role could cut waste

LONDON - Governments failed to reach an agreement on Monday for a global U.N. treaty to curb plastic pollution in Busan, South Korea, after proposals to cap its production were rejected by a handful of oil-producing nations.

Producing plastics, from Barbie dolls to water bottles, generates large amounts of planet-warming greenhouse gas emissions, while the accumulation of plastic products in the environment pollutes land and oceans.

Negotiations began in 2022 over a U.N. treaty that aimed to create the world's first legally binding agreement on plastic pollution by the end of 2024 - a deadline which will now be missed after the fifth round of talks ended without a deal.

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More than 100 countries supported a proposal to reduce plastic production, the most divisive issue in the talks, while petrochemical-producing nations like Saudi Arabia were only prepared to agree on a deal tackling plastic waste.

Plastic production is set to triple by 2050 and could account for 20% of greenhouse gas emissions compared to 5% in 2019, according to a report earlier this year by the U.S. federal Lawrence Berkeley National Laboratory.

So, what environmental impacts are caused by plastic, and how can countries address the issue?

Why is plastic a problem?

Plastics are causing widespread pollution on land and at sea, causing harm to human health and damaging vulnerable marine habitats such as coral reefs and mangroves.

Between 400,000 and 1 million people are estimated to die each year in developing countries because of diseases such as diarrhoea and cancer related to plastics and other mismanaged waste, according to a 2019 report by the charity Tearfund.

The production of plastics also plays a part in climate change, because it is made from fossil fuels such as oil and gas.

Through their life cycle, plastics emit 3.4% of global planet-heating emissions, according to the Organisation for Economic Cooperation and Development (OECD).

How much plastic waste is recycled?

Around the world, only 9% of plastic waste is recycled, according to the OECD, which predicts that global plastic waste is on track to almost triple to 1.2 billion tonnes in 2060 from 460 million tons in 2019.

Experts say the problem is particularly severe in emerging economies which lack the sophisticated recycling processes of wealthier nations.

This could be improved through schemes such as extended producer responsibility (EPR) where plastic producers are made responsible for the end of a product's life cycle, such as by paying to cover the costs of recycling.

Should we ban single-use plastics?

A report by the Back to Blue initiative examined three main ways in which governments have tried to reduce plastic consumption, including EPR schemes, production taxes and bans on single-use plastics.

It found that single-use bans were the most effective, but said that if these were implemented in G20 countries without any other measures, plastic consumption would still be one-and-a-half times higher by 2050.

The world generated an additional 6 million tons of polluting single-use plastic in 2021 compared to 2019, according to research in 2023 by the Minderoo Foundation in Australia.

Steve Fletcher, a leading plastics expert at the University of Portsmouth in Britain, said there was often a "false distinction" between single-use plastics and those which are genuinely multi-use.

He said there should be bans on plastics that lack a clear purpose, are toxic and cannot be reused or recycled.

How can plastic consumption be reduced?

Analysts say one of the challenges when it comes to reducing plastic consumption is how cheap it is to produce, thanks to fossil fuel subsidies.

Fletcher said more financial incentives are needed to "level the playing field" to make recycled plastics more appealing, along with taxes on virgin plastic.

Another way to reduce plastic consumption is to introduce "system-wide shifts" towards reuse, he said.

This could include making products reusable by design and creating processes - such as a sports stadium reusing cups and cutlery, much like how traditional milkmen reused glass bottles.

Does the world need a plastics treaty?

Given the global nature of supply chains, analysts say local schemes alone may be unsuccessful to cut down on plastic, as supply chains can sidestep fragmented policies.

A global treaty could, for example, create guidance and standards to help countries decide which plastics are problematic and unnecessary.

The U.N. talks in South Korea were supposed to be the final round, but countries will resume talks in 2025 to attempt to get  a deal over the line.

This explainer was updated on December 2, 2024 after U.N. plastics treaty negotiations concluded in Busan, South Korea.

(Reporting by Jack Graham; Editing by Jon Hemming and Ayla Jean Yackley.)


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