INFORMATIVE SPEECH TOPICS, TOPICS, AND MORE TOPICS.
(Defunct links have been removed!)
http://www.schoolelection.com/persuasive/speechtopics2.htm Slow loading and they want $4.95 for their list of topics.
http://www.abacon.com/internetguides/spcomm/activities.html This is a great site for finding more information about research on the web for even MORE topics
http://www.abacon.com/pubspeak/assess/topic.html A more general review of topic areas to think about. [Link not so good anymore.]
http://wps.ablongman.com/ab_public_speaking_2 Assess, Analyze, Research, Organize, Deliver, and Discern