I've just recently began reading Change.org. Great site- good news aritcles that appear to be non-biased and all about effective change on a person by person basis.
From the website- "Change.org is a social entrepreneurship venture based in San Francisco, CA. The company was founded by Ben Rattray in the summer of 2005, and with the support of a friend from Stanford, Mark Dimas, and a founding team of Darren Haas, Rajiv Gupta, and Adam Cheyer, Change.org launched the first version of its site in 2007.
Here's one example of their focus. Very positive and proactive centered articles.
5 Actions in 5 Minutes to End Hunger