The coastline of Norway is composed of hundreds of fjords — long, narrow sea inlets with steep cliffs created by glaciers. The fjords attract hundreds of thousands of tourists each year, most of them on cruise ships that burn heavy bunker oil, some of the dirtiest fuel there is. That’s a problem. Cruise ships today are self-contained floating cities. They generate their own electricity, have kitchens that feed up to 5000 people three times a day, and have their own desalinization equipment and wastewater treatment systems on board — all of it powered by diesel fuel. According to Transport and Environment , in 2017, Carnival, the…
