Text: SAN JUAN, Puerto Rico: Miles (kilometers) from shore in the open Caribbean Sea, cruise ships are dumping ground-up glass, rags and cardboard packaging. But vessels in other waters such as the Baltic and North seas are prohibited from throwing any solid waste overboard other than food scraps. The difference? Many countries with coastlines on the world's most fragile seas abide by a United Nations dumping ban that requires them to treat ship-generated garbage on land. Caribbean islands, however, have yet to adopt the ban, saying they...
photo: WN / Renzelle Mae Abasolo
![Sulfur dioxide emissions from the Halema`uma`u vent, glows at night. According to the United States Environmental Protection Agency (EPA) (as presented by the 2002 World Almanac or in chart form[9]), the following amount of sulfur dioxide was released in the U.S.](http://cdn5.wn.com/vp/i/b7/96cd60f8b67a53.jpg){kind=small}
