Related ideas and initiatives pop into my mind, offered by Tom Atlee:
1. Citizen deliberative councils - face to face deliberations among randomly selected citizens ("mini-publics") to draw conclusions about solutions for public issues, especially recommendations for public policy. http://www.realitysandwich.com/empowering_public_wisdom
2. Crowdsourced funding for issue-related action = e.g., http://indiegogo.com
3. IVCS - Interactive Voter Choice System - http://tom-atlee.posterous.com/are-we-changing-the-game-yet
4. Social system pattern languages like http://reliableprosperity.net
5. http://WiserEarth.org = social change individuals, groups and organizations that might want to use (and get involved in designing) the social change space you are designing
6. Deliberapedia - an envisioned online space for "framing issues for deliberation" - a wikipedia for issues - crowdsourcing the articulation of clear argumentation for and against 3-5 top approaches to each issue (details in my forthcoming book; I can send you info on it if you like). http://www.realitysandwich.com/empowered_public_wisdom_rising_grassroots
7. The power of "concerns" as a way to frame what else needs to be addressed. See consensus http://en.wikipedia.org/wiki/Consensus_decision-making and Dynamic Facilitation http://www.co-intelligence.org/P-wisdomcouncil.html#facilitation
Finally: So much of the problem in social issues is imbalance in social power. http://co-intelligence.org/CIPol_democSocPwrAnal.html What incentives exist for power-holding self-interested stakeholders to get pulled into the issue-addressing ecosystem you are designing?