iCal: Copy and paste this URL:
http://www.google.com/calendar/ical/ashtangayoga%40gmail.com/public/basic.ics
into your iCal here:

and set it to “auto refresh”.
 
 
RSS: Copy and paste this URL into your reader:
http://www.google.com/calendar/feeds/ashtangayoga%40gmail.com/public/basic