Sea change

摘要

For some time now shipping has hidden gratefully in the shadow of the aviation industry when the subject of greenhouse gas emissions has been in the news, taking comfort from the knowledge that it remains the most environmentally friendly means of transporting freight around the world. But recently this has changed. There have been damaging headlines such as 'Ships' CO_2 twice that of planes' and a widely-publicised report stating that particulate matter from ships causes approximately 60,000 deaths a year from respiratory illnesses.