A California-based artist recently gave up peddling expensive sculptures to rich people to build shelters for the homeless -- made completely out of garbage.

Serena Robert uses photography to document the profound experience of working with Habitat for Humanity and local residents of Rhetalhuleu, Guatemala. 

We love the holiday season as it is a time to give thanks for those who make our lives bright.  We asked readers to share photos that represent what they are grateful for.  Here's a picture of Molson.  For more, check out our Tumblr.

What one thing could every person do to make the world a little better?

The days are getting shorter, the nights are getting cooler and trees are blazing into color. Fall is finally here. Here's a music sampler to get you into the mood.

Check out our list of artist-activist movers and shakers.