The Millenium Development Goals
Various criticism have been made of the MDGs, but I think they have done an excellent job of uniting the development community on a global basis.
TED.com has done a superlative job of putting new ideas out to a broad audience, in part by restricting their talks to 20 minutes, in part through excellent editing, and most important by publishing them on the Net.
TED.com on the MDGs
Here, TED.com has collated links to all the TED talks that related to the MDGs in one place: