Bill Gates has this thing called Gates Letter addressing three myths:

<ul>

<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.