At OSI, we protect land for people, for wildlife, forever. Learn More About Who We Are
A Place for Life.
What We Protect
We protect land that supports the things we can’t live without — like clean water, climate protection, and healthy communities — and safeguard the places that make life worth living, like parks for recreation and plant and animal habitat.
How We Do It
Over the past 40 years, we’ve helped save millions of acres through land acquisition, funding, and research and advocacy. We’re also increasing access to the great outdoors through our support of grassroots efforts and park enhancement projects.
New & Noteworthy
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Featured Publication Watch the New 'About OSI' VideoThe Open Space Institute protects land for people, for wildlife, forever. Watch this video about OSI to learn about our work protecting the lands you love and need.
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Featured News OSI Supports Addition of Fifth Property to New Jersey Preserve for Forest Carbon, Clean WaterOSI's Appalachian Landscapes Protection Fund has supported the protection of a 57-acre property for the Yards Creek Preserve, marking OSI's fifth addition to the western New Jersey Preserve.
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Latest News
- Open Space Institute Land Acquisitions Set the Stage for Major Expansion of South Carolina’s Cartwheel Bay Heritage Preserve
- Open Space Institute Enthusiastically Applauds Governor Hochul’s State Budget and Her Commitment to Combatting Climate Change and Improving Access to State Parks and Public Land
- Open Space Institute Partners to Protect Vermont’s ‘Worcester Woods’ Property for Cross-Border Wildlife Habitat Protection