Sorry I've been called out of town. The Global Warming Speaker and Social: UN Convention on Climate Change, scheduled to occur on October 15,[masked]:30 PM has been canceled. Please update your plans accordingly. I will let you know when it has been rescheduled.
If you have further questions, you can email me through the "Contact Organizer" link on Meetup:
http://www.meetup.com/Chicago-Sierrans/suggestion/