With the resources of both governments and traditional philanthropy barely growing or in decline, yet the problems of poverty, ill-health, and environmental degradation ballooning daily, new models for financing social and environmental objectives are urgently needed. Fortunately, a revolution is underway in the instruments and institutions available to meet this need. Loans, loan guarantees, private equity, barter arrangements, social stock exchanges, bonds, social secondary markets, and investment funds are just some of the actors |