The Global Wave of Polystyrene Bans
Legislative momentum against polystyrene food packaging has intensified dramatically since 2019. The EU has banned it outright, 12 U.S. states have followed, and over 250 American cities have passed restrictions. Here is where the law stands.
European Union
The EU Single-Use Plastics Directive (2019/904), adopted March 2019 and effective July 3, 2021, bans EPS food containers and cups across all 27 member states. The newer Packaging and Packaging Waste Regulation (PPWR), adopted 2024, sets recyclability requirements and recycled content mandates beginning 2026.
United States
12 states plus D.C. have enacted PS foam bans as of late 2025:
California's SB 54 (2022) required EPS to achieve a 25% recycling rate by 2025 or face prohibition. CalRecycle confirmed the ban in May 2025. Over 250 U.S. cities and counties have passed PS restrictions, starting with Berkeley, California in 1988 — the first city worldwide.
Rest of World
Canada amended its Environmental Protection Act in 2022 to prohibit EPS/XPS foodservice ware. Australia enacted bans across ACT, NSW, Queensland, South Australia, Victoria, and Western Australia between 2021 and 2023, covering over 97% of the population.
In Africa, Lagos and Abia states in Nigeria banned PS in January 2024 (Oyo state followed in March 2024). Multiple Caribbean nations, Pacific Island states, and countries including Haiti (2012), Chile (2022–23), and New Zealand have implemented bans.
The Stalled UN Plastics Treaty
The UN Global Plastics Treaty negotiations, launched at UNEA-5.2 in March 2022 with 175 nations' endorsement, have failed to reach agreement after five negotiation sessions. INC-5.2 in Geneva (August 2025) adjourned without consensus over fundamental disagreements on production limits, chemicals of concern, and binding versus voluntary national approaches.
A procedural session (INC-5.3, February 7, 2026) elected a new Chair after the previous one resigned, but substantive resolution remains elusive. While the treaty stalls, Extended Producer Responsibility schemes are expanding nationally — the UK placed EPS on its EPR "red list" with higher fees, and California's SB 54 codifies the most aggressive U.S. EPR framework.
Health Concerns
Beyond environmental persistence, polystyrene raises health questions. The International Agency for Research on Cancer upgraded styrene monomer — which leaches from degrading PS — to Group 2A ("probably carcinogenic to humans") in 2019. The U.S. National Toxicology Program lists styrene as "reasonably anticipated to be a human carcinogen" in its 15th Report on Carcinogens (December 2021).