This graph shows the number of environmental and conservation organizations in the United States in 2005 by type. There were 372 research and public policy oriented organizations among the registered environmental and conservation organizations.
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Urban Institute. (December 20, 2008). Number of environmental and conservation organizations in the United States in 2005 by type [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/190880/number-of-environmental-and-conservation-organizations-in-2005-by-type/
Urban Institute. "Number of environmental and conservation organizations in the United States in 2005 by type ." Chart. December 20, 2008. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/190880/number-of-environmental-and-conservation-organizations-in-2005-by-type/
Urban Institute. (2008). Number of environmental and conservation organizations in the United States in 2005 by type . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/190880/number-of-environmental-and-conservation-organizations-in-2005-by-type/
Urban Institute. "Number of Environmental and Conservation Organizations in The United States in 2005 by Type ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 20 Dec 2008, /statistics/190880/number-of-environmental-and-conservation-organizations-in-2005-by-type/
Urban Institute, Number of environmental and conservation organizations in the United States in 2005 by type ÌÇÐÄÆƽâ°æ, /statistics/190880/number-of-environmental-and-conservation-organizations-in-2005-by-type/ (last visited July 28, 2026)
Number of environmental and conservation organizations in the United States in 2005 by type [Graph], Urban Institute, December 20, 2008. [Online]. Available: /statistics/190880/number-of-environmental-and-conservation-organizations-in-2005-by-type/
