(Poll created December 19, 2009)
Submitted by editor

---

North Africa wasn't always a desert - what caused the Sahara Desert to dry up 4000 years ago?

The Aswan Dam
The end of the last ice age
That's a lie - it's always been a desert
OMG - do the Global warming people know this?
SUVs
Man Made global warming
Israel
Salt in the groundwater from irrigation
Deforestation
Someone should ask Al Gore that
God made it that way
Overgrazing with goats
Rising sea levels
Himalayan mountains cut off moisture from the far east
It comes and goes every few thousand years
God kicked Adan & Eve out of the Garden of Eden
The United States
Global warming is causing the Sahara to shrink!
Islam
President Obama says it's George Bush's fault
The sinking of Atlantis
Changes in the angle of the earth's axis
Precession of Earth's axis
noah's flood subsided after an astroid knocked the earth off it's axis
Too much sand
European colonialism
Overpopulation
Evaporation
Login to add your answer

---