The teach-in, entitled "90 Minutes on 350", derives its name from the notion that CO2 levels need to be diminished to 350ppm to avoid more than a 3 or 4-degree temperature warming by the end of the century.

Speakers and topics include:

• Johnnie Clemens May:  "Environmental Poetry Reading"
• Robert Reavis:  "Experimental Recycling"
• Mary Harris:  "Basics of Climate Change"
• Erik Gergus:  "Climate Change & Extinction: Catastrophe on the Horizon"
• John Thrasher:  "The Political Climate of Climate Change"
• Mark Floor:  "Hot Titles in Climate Change"
• Beverly Lucchi:  "Students Demanding Action - Clean Up Our Climate" 

Check out books that include info on climate change and global warming.