Marino

In February 2026, the UN plastics treaty process held the third part of its fifth session (INC-5.3). The UNEP session documentation notes that the resumed session focused on organizational matters, including leadership, rather than substantive negotiations. Even so, the treaty’s direction and the policy debate around production caps, product design, and waste responsibilities remain highly relevant for cities—where packaging rules, procurement, and collection systems translate global goals into 

This proposal is for an international city/community coalition that wants to make 2026 commitments aligned with the emerging treaty direction: reduce single-use plastics in public procurement, accelerate reuse/refill, and publish measurable leakage metrics. The decision includes a real timeline and a choice of in-person workshop hubs.

Which commitment package to adopt for 2026–2027

Which workshop hub(s) to convene in-person sessions

Which minimum measurement/reporting requirements must be included

Options include attachments to primary sources, date ranges, and locations because those elements are genuinely being decided.

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Plastics Treaty 2026: city commitments after INC-5.3