You can set which browser is your default browser. This browser will be launched when you click on links in Mail, iCal, Address Book and other applications.
Launch Safari. Select Preferences in the Safari menu. Go to the General tab. The first option is for “Default web browser.” Change that to any browser shown, or select one not shown with the Select choice at the bottom.
Related: Set Minimum Font Size For Your Browser, Set Default Finder Column Width, Where Do You Set the Default Account for Sending Mac Mail?, Tabbed Browsing in Safari, Set TextEdit As Default App to Open Word Docs.
