Bill Gates has this thing called Gates Letter addressing three myths:
<li>Foreign Aid Is A Big Waste</li> <li>Saving Lives Leads To Overpopulation</li></ul>
That these are myths is discussed in detail HERE.
In a related project, Bill Nye has made this video dispelling an overlapping set of myths:
And here’s Bill Gates’ “Viral Video”
Important cause. Not sure if that video is going to go viral, though.