And if you leave the Google Group or remove someone, those Group meetings will automatically be removed from that person's calendar. Now you don't have to worry about missing your new team's meetings or having your calendar overrun by events that no longer matter!
Please note: It's takes about 5 minutes for the new Group member to show up (or be removed) on the calendar event.
If you have never invited a Google Group to a meeting in Google Calendar, it's the easiest and most efficient way to invite substantial numbers of people at the same time. More information about inviting Groups to calendar events.