The 22nd Intersessional Working Group on Reduction of GHG Emissions from Ships (ISWG-GHG 22) is meeting in London from September 1–4, 2026 to refine draft amendments to MARPOL Annex VI and the IMO Net-Zero Framework aimed at achieving net-zero emissions from international shipping by 2050. Delegates are debating mandatory emission limits, carbon pricing tiers and a life-cycle GHG assessment framework that will underpin future global environmental compliance rules for the sector.
From September 1 to 4, 2026, the 22nd Intersessional Working Group on Reduction of GHG Emissions from Ships (ISWG‑GHG 22) is convening in London, with more than a thousand delegates registered from IMO member states, industry bodies and NGOs. The meeting’s main objective is to prepare a package of new amendments to MARPOL Annex VI and to elaborate the details of the IMO’s proposed Net‑Zero Framework (NZF), which sets a target of net‑zero greenhouse gas emissions from international shipping by or around 2050. The agenda includes consideration of proposals already submitted to MEPC 84 and 85, as well as fresh submissions to ISWG‑GHG 22 on how to address concerns with the draft MARPOL amendments and ensure uniform and effective implementation of mid‑term measures.
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