We’d like to thank the following people and organizations for providing financial support for the AAAS �What We Know� initiative:

• Grantham Foundation for the Protection of the Environment � The Grantham Foundation seeks to raise awareness of urgent environmental issues and supports individuals and organizations working to find solutions.
• Lawrence H. Linden
• Robert Litterman
• The MacArthur Foundation � The John D. and Catherine T. MacArthur Foundation supports creative people and effective institutions committed to building a more just, verdant, and peaceful world.
• Rockefeller Family Fund � Rockefeller Family Fund is a U.S.-based, family-led public charity that initiates, cultivates, and funds strategic efforts to promote a sustainable, just, free, and participatory society.
• Henry M. Paulson