Excel 2007 : Conditional deleting

Hi

I have two columns - "A" and "B"
In "A" there is a list of about 2000 emails. In "B" there is a number - either "0" or "1" - that shows whether the EMail has been validated.

Is there any way that I can block remove (other than doing them all individually !!!) all the EMail rows that have a "0" next to them in Column "B" ?

Thanks

Carl