They estimated that water vapor accounts for about 50% of Earth's greenhouse effect, with clouds contributing 25%, carbon dioxide 20%, and the minor greenhouse gases and aerosols accounting for the remaining 5%. In the study, the reference model atmosphere is for 1980 conditions.
Main Characters. 1  Scooby-Doo - Frank Welker. 2  Shaggy Rogers - Casey Kasem. 3  Fred Jones - Frank Welker.  Daphne Blake - Grey 1  Delisle. Velma Dinkley - Mindy Cohn.
How could this be called a Scooby Site without paying homage to Scooby Doo himself. Scooby's voice was provided by Don Messick. (pictured at left) Don provided the voice for Scooby right up until his death on October 24, 1997. Originally under the Mystery's Five script, the dog was just a tag along.