This document discusses ship emissions and the political process around regulating them. It provides ESPO's views. ESPO represents European seaport authorities and takes a proactive approach to port environmental management. There is debate around ship emissions and their impact on air quality and the green image of shipping. Political processes are considering new regulations from the EU and IMO around reducing sulfur levels in fuels and greenhouse gas emissions. ESPO supports global regulation through IMO but recognizes ports' interests in local air quality and maintaining shipping's competitiveness. It advocates voluntary initiatives and the ports playing a role in enabling, encouraging and engaging others in improved environmental performance.