Carnival Corporation’s nine cruise lines and 90-plus ships sail all over the world, making more than 22,000 port calls each year to over 800 destinations, each with potentially different environmental regulations governing vessel operations. Rigorous requirements on air emissions, purified water release, and many others, can vary considerably on a day-to-day or even hour-by-hour basis depending on a vessel’s location and onboard equipment. To give crews access to the information needed to...