From Pop-Up Inflatable Shelters to Bumvertising

 - Jul 5, 2009
According to the Substance Abuse and Mental Health Services Administration, about 3.5 million adults and children are homeless over the course of a year.

This astonishing statistic has inspired a number of designers and innovators to create solutions to raise the comfort level of the homeless and awareness of their situation. From pop-up inflatable homeless shelters to mobile homes for the homeless, there are quite a few innovations that aim to improve a homeless person's condition.

Unfortunately, not all of the homeless innovations in the slideshow below are positive. There are also a handful of disturbing viral news stories about the homeless, including teen 'sport' killings and bumvertising.