11/20 - Eco-Watch Documentary Screening: The City Dark - Presented as part of the Lecture Series at Gumbo Limbo Nature Center, 1801 N. Ocean Blvd., Boca Raton. Documentary about light pollution and the disappearing night sky. Ages 14 and up, teens under 18 must be accompanied by an adult. 7-9 pm. $5 suggested donation. Reservations: 544-8615.