Add to ORKGThis on-line teaching module is for middle school science teachers. While some students may find portions of this site useful, the primary audience is classroom teachers and it has been developed with that target audience in mind. The site provides background information and supporting classroom teaching materials. The content focus is climate change and issues related to both stratospheric and tropospheric ozone. There are seven sections, each with activities for classroom use. Each section provides background information, general learning concepts, and a list of activities. These seven sections are: "Introduction to the Atmosphere", "Introduction to Climate", "The 'Greenhouse' Effect", "Global Climate Change", "Introduction to Ozone", "...