What London Protocol 1996 - Prevention of Marine Pollution by Dumping of Wastes requires
The London Protocol 1996 (Protocol to the Convention on the Prevention of Marine Pollution by Dumping of Wastes and Other Matter 1972 - 53 Contracting Parties as of April 2026, in force 2006) replaced the original London Convention 1972 with a precautionary-based reverse-list approach: all dumping at sea is prohibited except for materials listed in Annex 1 (dredged material, sewage sludge, fish wastes, vessels and platforms, inert geological materials, organic material, CO2 streams); the 2006 amendment permits sub-seabed geological storage of CO2 streams captured from industrial sources - making the London Protocol the primary international legal framework for carbon capture and storage (CCS) at sea - while the 2013 amendment (not yet in force) enables marine geoengineering activities including iron fertilisation to be permitted subject to licensing; operators in maritime industries must obtain permits for all permitted Annex 1 dumping from national authorities and report annually to the IMO.
Pillar: Maritime & Shipping · Authority: International Maritime Organization (IMO) - Scientific Groups (GESAMP) and Consultative Meeting of Contracting Parties; London Protocol Treaty depositary: IMO Secretary-General · Version: 1.0.1 · Last updated:
Primary source: https://treaties.un.org/pages/ViewDetails.aspx?src=TREATY&mtdsg_no=XXVII-7-b&chapter=27&clang=_en
SHA-256 integrity: 286e7d956f9f146ed6e4a4dd26f2d84b00282a4444f6e8a7218d1ffd5445f4d5
Primary Citations — 7 traced to source
- {"title":"1996 Protocol to the Convention on the Prevention of Marine Pollution by Dumping of Wastes and Other Matter 1972 - London Protocol; entered into force 24 March 2006","url":"https://treaties.un.org/pages/ViewDetails.aspx?src=TREATY&mtdsg_no=XXVII-7-b&chapter=27&clang=_en","jurisdiction":"International Maritime Organization - 53 Contracting Parties as of April 2026; depositary: IMO Secretary-General","key_provisions":"Article 1: definitions - 'dumping' means any deliberate disposal of wastes or other matter from vessels, aircraft, platforms or other man-made structures at sea; 'incineration at sea' also prohibited; Article 3: precautionary approach and polluter-pays principle; Article 4(1): prohibition - dumping of any waste or matter is prohibited unless: (a) listed in Annex 1; (b) national permit obtained; Article 4(1)(2): emergency exceptions - where property or human life is threatened; Article 9: reporting - Contracting Parties must report to IMO annually; Annex 1: permitted materials - dredged material, sewage sludge, fish wastes, vessels/platforms, inert geological material, organic material, bulky items, CO2 streams (2006 amendment); Annex 2: assessment of wastes - waste prevention, waste assessment framework, permit conditions, monitoring; 2006 amendment (Annex 1, paragraph 4): CO2 streams from carbon dioxide capture for disposal in sub-seabed geological formations permitted"}
- {"title":"IMO - Specific Guidelines for Assessment of CO2 Streams for Disposal into Sub-seabed Geological Formations (2012)","url":"https://www.imo.org/en/OurWork/Environment/Pages/London-Convention-Protocol.aspx","jurisdiction":"IMO Consultative Meeting of Contracting Parties - non-binding guidance on CO2 sub-seabed storage","key_provisions":"The guidelines address requirements under the 2006 London Protocol amendment permitting CO2 sub-seabed storage: CO2 stream characterisation - the stream must consist overwhelmingly of CO2 (quantitative criterion: CO2 must be the main constituent); trace substances (H2S, SO2, NOx, N2, Ar, volatile organic compounds) must be assessed for environmental risk; no waste added to the CO2 stream to facilitate disposal (i.e., co-disposal prohibited); geological formation assessment - must demonstrate: containment (CO2 remains sub-seabed), integrity (formation will not fracture), capacity (sufficient storage volume), and absence of preferential migration pathways; monitoring requirements: baseline survey before injection, operational monitoring during injection, post-injection monitoring for at least 20 years; long-term liability - the Protocol does not address long-term liability after the CCS project ends; this is a significant legal gap for offshore CCS projects"}
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