| Foundations |
| Anonymous* |
| AT&T Foundation |
| Boston Globe Foundation |
| Carnegie Corporation of New York* |
| Compton Foundation, Inc.* |
| Jessie B. Cox Charitable Trust |
| The Nathan Cummings Foundation* |
| Elena D'Alessandro Family Trust* |
| Catharine M. de Lacy Foundation |
| Geraldine R. Dodge Foundation* |
| The Educational Foundation of America* |
| E. F. Harris Family Foundation |
| Heinz Endowments* |
| Heinz Family Foundation* |
| W. Alton Jones Foundation |
| Johnson Foundation |
| Henry P. Kendall Foundation* |
| Merck Family Fund |
| National Environmental Education and Training
Foundation |
| National Fish and Wildlife Foundation* |
| National Institutes of Environmental Health Sciences |
| V. Kann Rasmussen Foundation* |
| The Sudbury Foundation |
| The Summit Foundation |
| Surdna Foundation, Inc.* |
| Swan Fund |
| The Teresa and H. John Heinz III Charitable Fund |
| The Winslow Foundation* |
| |
| Corporations |
| Adobe Systems Incorporated |
| Anheuser-Busch Companies, Inc. |
| Benjamin Moore & Co. |
| Bristol-Myers Squibb Company* |
| CH2MHill (in-kind support) |
| Compaq Computer Corporation* |
| Dow Chemical |
| Fleet Bank |
| Gensler |
| Green Mountain Coffee |
| Hardy Holzman Pfeiffer Associates, LLP |
| Herman Miller |
| Hewlett Packard |
| Hill, Holliday, Connors, Cosmopoulus, Inc.* |
| Interface, Inc. |
| International Paper* |
| Lindenmeyr Munroe* |
| Lotus Development Corporation* |
| William McDonough Consulting, LLC |
| Okamoto Saijo Architecture |
| Richmond Hardware and Paint |
| Skidmore, Owings & Merrill LLP |
| SSOE, Inc. |
| Union Carbide |
| Waterless Co., LLC |
| WMX/Greenwire |
| |
