The document discusses efforts to address homelessness in various cities and regions. It describes initiatives such as Street to Home in NYC from 2003-2006 that aimed to reduce street homelessness by two-thirds in three years using a geographical accountability approach and housing first strategy. Project 50 in LA County from 2007-2008 housed over 67 vulnerable individuals in its first 100 days. The 100,000 Homes Campaign launched in 2008 with a goal to house 100,000 chronically homeless adults across 50 cities in 3 years building on existing initiatives.