Related Clues:
- Green, in a sense
- Friendly beginning?
- System starter?
- "The Island of the Day Before" author
- Thinking prefix
- Lead-in for gram or graph
- "Baudolino" novelist
- Path lead-in
- Prefix for sphere
- Prefix with conscious
- Sphere or system starter
- Greenpeace prefix
- "Foucault's Pendulum" author
- Sphere opening
- Prefix with 13-Across