I just learned of an interesting program in San Francisco called Lava Mae. They have re-purposed transportation buses into showers and toilets on wheels to serve homeless of SF.
It is an interesting project that is using some innovation to solve a social problem.<p><a href="http://lavamae.org/" rel="nofollow">http://lavamae.org/</a><p>Lava Mae Launch [Video]
<a href="https://www.youtube.com/watch?v=up9TfkcJNxk" rel="nofollow">https://www.youtube.com/watch?v=up9TfkcJNxk</a>