How dangerous is the myth that overpopulation is causing an environmental doomsday?

[LifefromGaia]

http://www.triplepundit.com/2010/07/un-world-population-day/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+TriplePundit+%28Triple+Pundit%29&utm_content=Google+Reader#ixzz0uRCnuu5T

 

[TIGERLADYt]

I keep plenty of ammo just in case it isn't a myth.

 

[WereTurtle]

I heard that overpopulation might cause the Island of Guam to capsize, you know, tip over.