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Support Our Work


Make a secure, tax-deductible contribution to OSI when you donate online.


Make a tax-deductible contribution to OSI, in the form of cash, stocks, mutual fund shares, or donor-advised funds for operating support, capital project support, tributes, special occasions or commemorative gifts for memorials.

Estate Planning

There are many ways make a gift to OSI that ensures future generations of people and wildlife will continue to benefit from your generosity. Consider making a “forever gift” to OSI in the form of a bequest, gift of IRA and retirement plan assets, and/or life insurance. Learn more about options here.

Real Estate

Make a contribution of land, easements or stewardship grants to OSI through an outright gift, a will, or by naming OSI as a beneficiary of a charitable lead or remainder trust.

Employer Matching Gift

Many companies will match your donation. Send your employer’s matching gift form to OSI along with your donation.

Payroll Deduction

Consider a convenient payroll deduction through EarthShare and the Combined Federal Campaign. OSI is a member of EarthShare and would like to thank those individuals and families who have supported our work through the payroll deduction plans offered by EarthShare.

For more information, please contact:

Jennie Greer

Senior Vice President of Philanthropy


What You Can Do

Donate to support OSI’s work

Become a part of our mission to safeguard at-risk places through your tax-deductible gift.


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