Shipping carries approximately ninety percent of global trade & is a critical link in the steel industry's supply chain. Total shipping emissions rose nearly ten percent between 2012 & 2018, & maritime trade volumes are projected to triple by 2050. Steel companies face growing pressure to cut Scope 3 emissions from transportation, driving new collaboration the shipping sector. Liquefied natural gas can cut emissions by up to thirty percent, but zero-carbon fuels & smarter vessel design are needed for a full transition.