Mezue ahịrịokwu na-esonụ: IMO nwere ọrụ n'ịkwado mgbanwe ihu igwe mba ụwa. Nzukọ nke mbụ nke Intersessional nke IMO's Working Group on Greenhouse Gas Emissions from Ships weere ọnọdụ na Oslo, Norway (23<unk>27 June 2008), bụ nke e nyere ọrụ nke ịmepụta ntọala nkà na ụzụ maka usoro mbelata nke nwere ike ịbụ akụkụ nke usoro IMO n'ọdịnihu iji chịkwaa ikuku gas na-ekpo ọkụ site na mbupu mba ụwa, na atụmatụ nke usoro mbelata onwe ha, maka ịtụle n'ihu site na Kọmitii Nchedo Gburugburu Oké Osimiri IMO (MEPC). IMO sonyere na
2015 United Nations Climate Change Conference na Paris na-achọ ime onwe ya ka ọ bụrụ "ụlọ ọrụ mba ụwa kwesịrị ekwesị iji dozie ikuku gas na-ekpo ọkụ site na ụgbọ mmiri ndị na-azụ ahịa mba ụwa". Ka o sina dị, e nweela nkatọ zuru ebe nile nke IMO na-adịghị eme ihe ọ bụla kemgbe e mechiri ogbako Paris, na usoro nchịkọta data mbụ nke usoro atọ iji belata ikuku ikuku nke ikuku na-atụ anya na ọ ga-adịgide ruo 2020. N'afọ 2021, "The New York Times" dere na IMO "emeela ka oge na-aga n'ihu ma na-eme ka iwu ihu igwe dị nro".