By: Mark Leon Goldberg on August 15, 2012 The Social Good Summit is back! Social media mavens, political leaders, social entrepreneurs and thought leaders will once again descend on the 92nd Street Y in Manhattan for discussions about how innovations in technology and thought can help solve some of our greatest global challenges. A great list of speakers is lining up for the three day event, which kicks off September 22. Here’s the official release, via Mashable: This year’s Social Good Summit will be more engaging than ever. People from around the world, in both the developed and the developing world, will unite in person and online to participate in The Global Conversation – the world’s largest conversation on how technology can grow communities and improve life for all of us as we move toward being a networked society. The Social Good Summit takes place September 22 – 24, 2012, but this is just the beginning of the conversation. The 2012 Social Good Summit is brought to you by Mashable, 92nd Street Y, the United Nations Foundation, Ericsson, the United Nations Development Programme, and the Bill & Melinda Gates Foundation. You can take action by joining this global conversation: –Attend the Social Good Summit in New York City from September 22 -24 -Organize or attend a Social Good Summit Meetup in your own hometown or anywhere around the world as part of The Global Conversation -Watch the Summit on YouTube and interact in real-time with the Social Good Summit community via social media with the hashtag #SGSglobal As for suggestion #2, Mashable has helpfully keeping track of Social Good Summit meetups in over 300 cities around the world. So, even if you’ll be in Tblisi or Cairo you can still participate. UN Dispatch will certainly be on the scene, and be sure to check back for more information about summit as the lineup of speakers take shapes. If you plan on being in New York, you can get your tickets here before they sell out. Journalists and blogger types: apply for your credentials now!