Sail for 2- to 3-hour round-trip and learn about the geology of the Palisades from George Harlow, Department of Earth and Planetary Sciences at the American Museum of Natural History, followed by a discussion about the Hudson watershed with Hudson Riverkeeper staff. Sail Time: 3 hours Registration Details: Participation fee: $55 Email ANJEC with name and affiliation or call, 973-539-7547. For more information and to register visit tenaflync.org/meerwald-sails