Why homelessness programs work in some cities but not in others

Homelessness is a main concern among Americans, surveys say. However, the lack of permanently updated resources for people to find out how to help solve the problem contributes to the frustration.

There are as many homeless people in the world's wealthiest country as the entire population of Boston: according to the latest release of the Annual Homelessness Assessment Report, 650,000 people lack stable housing in the US.

However, the actual numbers could be much higher if, for example, the growing number of students struggling to pay rent who slee…