Intersessional Working Group on Reduction of GHG Emissions from Ships (ISWG-GHG 21) The Intersessional Working Group on Reduction of GHG Emissions from Ships (ISWG-GHG 21) held its 21th session at IMO Headquarters in London from 20 to 24 April and was chaired by Mr. Sveinung Oftedal (Norway). Polish Register of Shipping was represented at the session by Dr Eng. Krzysztof Kołwzan, Centre for IMO Affairs Manager.   For more information about ISWG-GHG 21meeting see the website: Intersessional Working Group on Reduction of GHG Emissions from Ships (ISWG-GHG 21), 20-24 April 2026 Share LinkedIn Twitter Facebook Email