Tammy is originally from Boston, but moved to Greenfield when she was a teenager. She's been struggling with housing for about 3 years.
Despite her difficulties, Tammy still manages to be an advocate for other people dealing with homelessness by volunteering at shelters and soup kitchens.
She wants to make a difference in the way that the town of Greenfield deals with the homeless.
Tammy's full interview
More on homelessness
More on Greenfield
What you should know
Meet other people