The American Red Cross
The Salvation Army
Archinect has set up a disaster relief/adopt an architect web page here. Tulane University in New Orleans has cancelled its fall semester and is working to help its students to enroll as temporary students at other institutions.
Locally, IIT also has a web page up for support, and with information for students displaced by Katrina who are "interested in transferring to IIT" The University of Illinois at Champaign Urbana is also working to assist displaced students. Contact the Office of Admissions and Records at 217/333-0302.
And if you are as outraged by the complacency, misplaced economies and lack of preparation of our leaders as you are blown away by the bravery and selflessness of the rescue workers, medical personnel, and guardsmen, record exactly how you feel today in a note, and paste it into your calendar for the dates of November 6th, 2006, and November 3rd, 2008.