A study done by the National Law Center on Homelessness and Poverty states that 3.5 million people - including more than 1 million children - are likely to experience homelessness in any given year. 

Mariah Smith was abandoned as a baby - and as she grew up, she realized there were many kids and adults living on the streets - and she knew she had to do something.

You can see Mariah discuss her ministry by going here.