Face the housing crisis. Nearly 2 billion people around the world live in slum housing and over 100 million are homeless. Families are trapped in a daily struggle to survive amid substandard and often inhuman living conditions. Help provide simple, decent shelter. We believe that every man, woman and child should have a safe and affordable place to live. While building homes is central to our mission, it is only one piece of the puzzle. Take action now. Help us advocate to change the systems, policies, attitudes and institutional behaviors that lead to inadequate housing and homelessness. Join our advocacy network. Join thousands of other supporters. Register as an advocate to receive periodic news and action alerts. Learn more about public policies that change lives. Find out which public policies can be enhanced or changed to provide more affordable housing around the world.