E. Huff: Just 16 Ships Expel as Much Pollution as All the Cars in the World

"Large shipping vessels have become commonplace in today's global marketplace as goods are imported and exported across the world. While the high levels of pollution they create are something that most people don't think too much about, some scientists are beginning to evaluate their environmental effect. One of the most disturbing facts discovered about these giant ships is that a mere 16 of them emit as much sulfur as do all the cars in the world combined."