4/23 - Eco-Watch: Renourished Beaches and Sky Glow - Presented as part of the Lecture Series at Gumbo Limbo Nature Center Classroom, 1801 N. Ocean Blvd., Boca Raton. Presented by Kirt Rusenko, Marine Conservationist, Gumbo Limbo Nature Center/City of Boca Raton. Recommended for ages 14 and up, children under age 18 must be accompanied by an adult. 7-8:30 pm. $5 suggested donation. 544-8615.