and Gordon Hisashi Sato, winners of the 2005 Blue Planet Prize, congratulate each other Wednesday at a news conference in Tokyo.

The Asahi Glass Foundation gave Briton Nicholas Shackleton, professor emeritus of the department of earth sciences at the University of Cambridge, and American Gordon Hisashi Sato, director emeritus of the W. Alton Jones Cell Science Center in the United States, 50 million yen prizes for their work on the environment.