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.
Voices. 1  Neil Fanning as the voice of Scooby-Doo. 2  Scott Innes and J. P. Manoux as the voice of Scrappy-Doo. 3  Jess Harnell and Frank Welker as the voice of creatures.