It’s Earth Day 04/21/2012 This weekend, join us as we celebrate Earth Day across Long Island. Enjoy story telling and music from 1pm-3pm, Saturday, April 21st at the Shelter Island Mashomack Preserves Visitor’s Center. Saturday is also the Town of Islip Annual Earth Day Celebration from 11am-4pm at Sayville’s Gillette Park. There will entertainment all day, as well as craft vendors, poster contests, recycling demonstrations, and of course exhibitors like SUNation. Seatuck will host an Eco Carnival from 10am-4pm at the Suffolk County Environmental Center, 550 South Bay Avenue in Islip. Enjoy nature programs, live music, games, food, and fun for the whole family. Sunday, Sylvester Manor’s Windmill Field on Shelter Island will celebrate with music and key note speakers.