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Standing on the north roof of the James Forrestal building in Washington, D.C., Brian Costlow gestures to the black solar photovoltaic array lying flat against the cement tiles. The system generates 235 megawatt-hours of electricity annually in an effort to boost the energy efficiency of this office complex, the headquarters for the U.S

Standing on the north roof of the James Forrestal building in Washington, D.C., Brian Costlow gestures to the black solar photovoltaic array lying flat against the cement tiles. The system generates 235 megawatt-hours of electricity annually in an effort to boost the energy efficiency of this office complex, the headquarters for the U.S. Department of Energy.

Editor Jane Berentson discusses her recent visit to the headquarters of The Kauffman Foundation, which opened its first charter school in August. For years, my colleagues and I have consumed research from the Ewing Marion Kauffman Foundation the way nonfoodies consume fine restaurant meals—appreciative of the product's quality but not especially curious about its source. Kauffman, one of the 30 largest foundations in the United States, fosters entrepreneurship with grants, research, education, and policy recommendations