In the U.S. alone, there are more than 1.5 million registered nonprofits, addressing issues from affordable housing and poverty to clean water and climate change. And yet in spite of all the efforts, the problems seem bigger and more complex than ever. This lack of progress is catastrophically discouraging to the social sector, which is filled with dedicated people working around the clock to fight these battles. But the real enemy in the sector is scarcity. Read More