These are 3 organizations actively working to educate folks about different aspects of social change. Use what they have to offer as resources to fuel discussions or new ideas.
Global Oneness Project encourages people to take action to change the world by presenting countless interviews with leaders, visionaries, and activists around the world. One of the powerful ways they educate is by offering 3 DVDs of their short films for your community to engender discussion around the subjects presented, because knowing and talking are the first steps toward action.
Movement Strategy Center has many great pdfs on topics related to social justice. Their most recent (from 2010) talks about environmental justice and sustainable communities. To look at them all, check out this link: Movement Strategy Resources.
The Berkana Institute offers ways to bring about change by naming, connecting, nourishing and illuminating. They have many videos that illustrate their learnings. This one in particular, Two Loops: How Systems Change , is especially timely suggesting the need for a tipping point for change to happen and illustrating the necessity for a bridge between old practices and new. Check out more of their videos here: Berkana Videos.