Includes lessons and resources for writing across the curriculum courses & instructors. From WAC: The WAC Clearinghouse is an open-access, educational website supported by more than 125 contributors, institutional sponsors, and the Colorado State University Open Press as well as more than 180 volunteer editors, editorial staff members, reviewers, and editorial board members. Copyright on the materials on this site is held by the authors and editors who have contributed content to it (© 1997-2020)."