• Oh, Deer! Symposium, LIU Post, Brookville, NY

    Posted by Admin on May 20, 2026

    online registration is closed. You can register and pay at the door. Oh DEER! Symposium Addressing Challenges, Exploring Solutions Tuesday, August 11, 2026, 9:00 am LIU Post, Hillwood Commons On behalf of the North Shore Land Alliance and Cornell Cooperative Extension (CCE) Suffolk County, thank you for joining us today for the Oh DEER! Symposium: Addressing Challenges, Exploring Solutions at LIU Post. Your presence, dedication and shared concern for our local environment make this event a vital step toward educating our community about the damage deer cause to our native landscapes and how we can respond to protect them. We extend our deepest appreciation to all of our presenters and partner organizations who shared their time, field experience and actionable solutions—from innovative deer fencing and tick ecology to long-term population management and deer-resistant plantings. A special thanks to Mina Vescera and Cornell Cooperative Extension of Suffolk County for going above and beyond to support the symposium. We’d Love Your Feedback! Please take a few moments to share your feedback by completing this brief survey so we can continue to improve future events. Click the link to start Oh Deer Symposium Survey


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  • Invasive Species Identification Training, Humes Preserve

    Posted by Admin on May 15, 2026

    Invasive Species Identification Training Tuesday, June 2, 2026, 10AM Humes Preserve Led by Cassandra Moise, Education and Outreach Manager at LIISMA (Long Island Invasive Species Management Area Join us for a guided invasive species walk at Humes Preserve.  During this walk, participants will learn how to identify invasive species and discover some you may not yet be familiar with. You’ll also gain insight into where these species tend to grow and the impacts they have on local ecosystems.  This event is free, but advance registration is required.  For more information, please contact our Volunteer Coordinator, Leigh McLaughlin, at leigh@northshorelandalliance.org. Event Changes and Cancellations Events are subject to change so please check our website for updates.


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  • Paddle Oyster Bay

    Paddle Oyster Bay Harbor, Oyster Bay Cove Beach

    Posted by Admin on May 4, 2026

    Paddle Oyster Bay Harbor Sunday, September 13, 2026, 2 PM Oyster Bay Cove Beach Led by Peter Martin Co-listed with Theodore Roosevelt Sanctuary and Audubon Center Paddle around beautiful Oyster Bay Harbor and discover the abundant wildlife that inhabits our bay! Advance registration required! Bring your own kayak/accessories or rent: $50 (single) or $75 (double) After you have registered, but before the event, we will email you to confirm your attendance and provide more detailed information.  If you are unable to attend, please contact us, as this will help us register those on the waiting list. Event Changes and Cancellations Events are subject to change so please check our website for updates. Registrants will be notified via email if an event is cancelled or rescheduled. If you have questions about this event, kindly email jjackson@northshorelandalliance.org.


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  • Free a Tree Event

    FREE a TREE Volunteer Day, Wawapek Preserve

    Posted by Admin on May 4, 2026

    In celebration of America’s 250th anniversary, we invite you to join the Land Alliance’s Free a Tree Challenge.  Help us free 250 trees from vines by July Fouth. FREE a TREE Event Wednesday, June 10, 2026 at 10 AM Wawapek Preserve Mowbray Lane, Cold Spring Harbor Invasive vines, originally introduced as ornamental plants, pose a serious threat to our native trees and forests. As they climb, they block sunlight and airflow, trap moisture that can lead to rot, harbor pests, and even strangle trunks.  Join us at Wawapek Preserve to remove these vines, push back invasive species and give our trees a chance to thrive. Advance registration is required.  For more information, please contact our Volunteer Coordinator, Leigh McLaughlin, at leigh@northshorelandalliance.org. Event Changes and Cancellations Events are subject to change so please check our website for updates.


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  • Free a Tree Challenge

    FREE a TREE Volunteer Day, Hope Goddard Iselin Preserve

    Posted by Admin on May 4, 2026

    In celebration of America’s 250th anniversary, we invite you to join the Land Alliance’s Free a Tree Challenge.  Help us free 250 trees from vines by July Fouth. FREE a TREE Event Friday, May 22, 2026 at 10 AM Hope Goddard Iselin Preserve Chicken Valley Rd, Upper Brookville Invasive vines, originally introduced as ornamental plants, pose a serious threat to our native trees and forests. As they climb, they block sunlight and airflow, trap moisture that can lead to rot, harbor pests, and even strangle trunks.  Join us at the Hope Goddard Iselin Preserve to remove these vines, push back invasive species and give our trees a chance to thrive. This event is free, but advance registration is required.  For more information, please contact our Volunteer Coordinator, Leigh McLaughlin, at leigh@northshorelandalliance.org. Event Changes and Cancellations Events are subject to change so please check our website for updates.


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