In this special documentary that inspired a two-season television series, scientists and other experts speculate about what the Earth, animal life, and plant life might be like if, suddenly, humanity no longer existed, as well as the effect humanity's disappearance might have on the artificial aspects of civilization.
Struan Rodger
Narrator (voice)
John Anderson
Self
David Brin
Self
Bill Bruninga
Self
Ron Chesser
Self
Dr. Howard Oliver
Self
