By — John Yang John Yang By — Claire Mufson Claire Mufson Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/how-sail-powered-cargo-ships-are-charting-a-course-to-sustainability-on-the-high-seas Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Audio Eighty percent of all global trade travels by sea, and the ships carrying those goods account for 3 percent of global greenhouse gas emissions. Now, some shipping companies are taking a new tack as they try to navigate the industry to sustainability on the high seas. John Yang reports. Listen to this Segment Watch Watch the Full Episode PBS NewsHour from Jan 26, 2025 By — John Yang John Yang John Yang is the anchor of PBS News Weekend and a correspondent for the PBS News Hour. He covered the first year of the Trump administration and is currently reporting on major national issues from Washington, DC, and across the country. @johnyangtv By — Claire Mufson Claire Mufson Claire Mufson is a journalist and general assignment producer at PBS News Weekend. She produces stories on a wide range of topics including breaking news, health care, culture, disability and the environment. Before joining PBS News, she worked in Paris for French public broadcasting channel France 24 and for The New York Times.