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.
Matthew Lillard as Shaggy in the Sooby-Doo film. Shaggy was originally voiced by Casey Kasem, who continued in the role for twenty-eight years. Billy West and Scott Innes (who also voiced Scooby for a time) briefly took over the role in several of the direct-to-video films produced in the late 1990s and early 2000s. Casey Kasem voiced Pops from The New Scooby and Scrappy-Doo Show through the first season of Mystery Incorporated. 2  Grey DeLisle voices Mom in Scooby-Doo! 3  Mystery Incorporated. 4  Maggie Rogers: Shaggy's younger sister.