OUR CORE VALUES

Protecting and preserving, in perpetuity, the green spaces, farmlands, wetlands, groundwater and historical sites
of Long Island’s north shore for the enhancement of quality of life and the benefit of future generations.

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Conservation News

  • Protecting a Treasured Landscape: Seminary of the Immaculate Conception

    The Seminary of the Immaculate Conception is a beautiful and environmentally significant 200+- acre property in Lloyd Harbor. The Land Alliance, working with the Seminary’s Board, the Trust for Public Land, the Village of Lloyd Harbor, the Town of Huntington and New York State, has begun laying the groundwork for a conservation transaction that would protect the beautiful forests, fields and wetlands contained within the property.

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  • What is 30×30? (Recently Renamed America the Beautiful)

    In a 2018 article in Science Magazine, “Space for nature,” Jonathan Baillie (chief scientist at the National Geographic Society) and Ya-Ping Zhang (biologist with the Chinese Academy of Scientists) encouraged “governments to set minimum targets of 30% of the oceans and land protected by 2030, with a focus on areas of high biodiversity and/or productivity, and to aim to secure 50% by 2050.”

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  • Explore The Trails at these Five Nature Preserves This Summer

    The Land Alliance is thrilled to offer a variety of trail systems at our ten public preserves. Trails offer opportunities to explore new places, connect with nature, relax and reflect and even get some exercise. The five trails wind through scenic meadows, woodland, white pine forests and more.

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  • Nature Play is Good for Children (and Adults Too!)

    Nature Play is Good for Children (and Adults Too!)

    Providing access to natural areas is central to the Land Alliance’s mission. Studies show that spending time in nature provides children with a wide range of health and cognitive benefits. Nature play improves children’s love of learning, academic performance, focus and behavior. Learn about the new nature play area that will be installed at the Humes Preserve.

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  • Roosevelt Community Garden

    Fourth Season at the Roosevelt Community Garden

    The Roosevelt Community Garden celebrated its fourth season on April 1, 2021. The Garden has become more than just a place to grow organic fruits, vegetables and herbs; it also is a place for gardeners to come together, to share and learn from each other. Many thanks to Nassau County for partnering with us to make this opportunity available to the community.

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Support Our Work


North Shore Land Alliance is a nationally accredited not-for-profit 501(C)3 land trust. We rely on the generous support of our community to do our work.  Your tax-deductible contribution will ensure our ability to acquire the land that matters most, maintain protected opens space and provide valuable educational programs.