This document has been prepared to provide supplemental information to teachers and the general public about the Project Learning Tree Municipal Solid Waste Module (PLT-MSW) curriculum that the Board distributes. This document correlates the PLT-MSW curriculum with the California Content Standards for Grades 6-12 for the subjects of English-Language Arts, Science, Mathematics, and History-Social Studies, organized by grade level. The standards that each PLT-MSW activity meets have been identified.