Muslims Inheriting the Earth?

A recent population study shows that Muslim families are having more children than Jewish and Christian families. What does this mean? Is it a concern?

According to Genesis, God told Adam and Eve to "be fruitful and multiply." Well, according to one population study, the Muslims are doing just that.

http://www.christianpost.com/article/20070202/25571_Muslims_Could_Overtake_Western_World_with_High_Birth_Rates%2C_Says_Group.htm