A review of the latest environmental protection measures from IMO has been provided to the Green Ship Technology North America Conference (15-16 November), New York, United States. IMO’s Theofanis Karayannis outlined the key decisions from the latest session of IMO’s Marine Environment Protection Committee (MEPC 71), including the latest work on GHG reduction from international shipping and on air pollution and on implementation of the Ballast Water Management Convention. The BWM Convention entered into force in September 2017.