Related Clues:

• Always
• 'If ___ I should leave...'
• 'Foucault's Pendulum' author
• ___-friendly
• Nonpolluting
• 'Did you ___?'
• Author Umberto
• See 36-Across
• Green's prefix
• In any case
• ___ and anon
• Prefix with terrorist
• Popular 90's essayist
• Without a break
• Modern prefix with friendly