This Web Seminar took place on September 23, 2010 from 6:30 p.m. to 8:00 p.m. Eastern Time. Presenting was Dr. Randy Russell, Educational Designer with the Office of Education and Outreach at the University Corporation for Atmospheric Research in Boulder, Colorado. Dr. Russell presented an overview of the differences between climate and weather and explained the basics of what influences the Earth’s climate and how it has changed, both historically and recently. For more information about this web seminar, its presenter(s), read what participants said about it, and to see and download its PowerPoint slides go here.