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Directory of Charities and Nonprofit Organizations

GuideStar is the most complete source of information about U.S. charities and other nonprofit organizations there is. Search our database of more than 1.8 million IRS-recognized organizations to find a charity to support, benchmark your own nonprofit's performance, research the sector, and more.

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Conservation and Environmental Education (Displaying 19,001 - 19,100 of 20,548)